CATEGORY REPORT AUGUST 2018 COVERING 30 MAIN CATEGORIES

Note: Ø = average Evaluating the 30 Amazon Kindle ebook Main Categories

Categories by Sales Volume of Top 100 ID Ø Sales Rank of Top 100 Estimated Sales per Day per Top 100 Title Graph Index: Best = 100 Worst = 1 Position 16 Literature & Fiction 70 728 100.0 1 0 24 Romance 137 482 66.4 2 0 18 Mystery, Thriller & Suspense 146 458 63.1 3 0 19 Nonfiction 376 214 29.7 4 0 26 Science Fiction & Fantasy 430 192 26.7 5 0 29 Teen & Young Adult 706 129 18.0 6 0 23 Religion & Spirituality 1,224 82 11.7 7 0 2 Biographies & Memoirs 1,322 77 11.0 8 0 4 Children's ebooks 1,858 59 8.4 9 2 12 History 1,938 57 8.2 10 2 11 Health, Fitness & Dieting 1,962 56 8.1 11-2 15 Lesbian, Gay, Bisexual & Transge 2,149 52 7.5 12-2 27 Self-Help 2,591 45 6.5 13 2 3 Business & Money 2,638 44 6.4 14-1 21 Politics & Social Sciences 2,790 42 6.2 15-1 13 Humor & Entertainment 3,331 36 5.4 16 0 25 Science & Math 3,788 33 4.9 17 0 7 Cookbooks, Food & Wine 4,339 29 4.4 18 0 5 Comics & Graphic Novels 7,028 20 3.1 19 2 30 Travel 7,136 20 3.1 20 0 20 Parenting & Relationships 7,831 18 2.9 21-2 9 Education & Teaching 9,816 15 2.5 22 4 28 Sports & Outdoors 10,224 15 2.4 23-1 17 Medical ebooks 10,255 15 2.4 24-1 22 Reference 10,334 14 2.4 25-1 8 Crafts, Hobbies & Home 10,775 14 2.3 26-1 6 Computers & Technology 12,925 11 1.9 27 0 1 Arts & Photography 14,919 9 1.7 28 0 10 Engineering & Transportation 23,294 6 1.2 29 0 14 Law 29,143 4 1.0 30 0 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com Position vs. Prior Month ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN Categories by Average Sales Rank of Top 100 (p. 1) Absolute Values Rank 1 to 2,000 Rank 1,200-4,800 0 200 400 600 800 1,000 1,200 1,400 1,600 1,800 2,000 1,200 1,400 1,600 1,800 2,000 2,200 2,400 2,600 2,800 3,000 3,200 3,400 3,600 3,800 4,000 4,200 4,400 4,600 4,800 Biographies & Memoirs Literature & Fiction Nonfiction Romance Teen & Young Adult Children's ebooks Mystery, Thriller & Suspense Religion & Spirituality Science Fiction & Fantasy Business & Money Health, Fitness & Dieting History Lesbian, Gay, Bisexual & Transgender ebooks Politics & Social Sciences Self-Help

AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN Categories by Average Sales Rank of Top 100 (p. 2) Absolute Values Rank 1,500 to 15,000 Rank 3,000 to 21,000 1,500 3,000 3,500 5,000 7,000 5,500 9,000 7,500 11,000 13,000 9,500 15,000 11,500 17,000 13,500 19,000 21,000 Cookbooks, Food & Wine Crafts, Hobbies & Home Arts & Photography Comics & Graphic Novels Humor & Entertainment Parenting & Relationships Medical ebooks Reference Computers & Technology Travel Education & Teaching Science & Math Sports & Outdoors

Categories by Sales Volume of No. 1 Besteller ID Average Sales Rank of No. 1 Bestseller in Estimated Sales per Day of No. 1 Bestseller Graph Index: Best = 100 Worst = 1 Position 16 Literature & Fiction 1 4,601 100.0 1 0 18 Mystery, Thriller & Suspense 1 4,601 100.0 1 1 19 Nonfiction 3 2,925 63.3 3 1 25 Science & Math 3 2,813 60.8 4 14 26 Science Fiction & Fantasy 6 2,263 48.8 5-2 2 Biographies & Memoirs 7 2,102 45.2 6 0 28 Sports & Outdoors 7 2,081 44.8 7 15 27 Self-Help 9 1,788 38.4 8 0 4 Children's ebooks 10 1,776 38.1 9 1 3 Business & Money 10 1,764 37.8 10-3 24 Romance 10 1,719 36.9 11-2 29 Teen & Young Adult 12 1,605 34.3 12-1 9 Education & Teaching 13 1,564 33.4 13 1 11 Health, Fitness & Dieting 13 1,564 33.4 13 3 8 Crafts, Hobbies & Home 24 1,183 25.1 15 10 21 Politics & Social Sciences 32 1,028 21.7 16-11 12 History 35 992 20.9 17-5 23 Religion & Spirituality 46 880 18.5 18-1 7 Cookbooks, Food & Wine 68 736 15.3 19-6 30 Travel 70 726 15.1 20 1 13 Humor & Entertainment 85 667 13.8 21-2 22 Reference 91 646 13.3 22-2 20 Parenting & Relationships 101 619 12.7 23 0 17 Medical ebooks 120 538 11.0 24 3 15 Lesbian, Gay, Bisexual & Transge 135 490 9.9 25-10 6 Computers & Technology 182 384 7.6 26-2 5 Comics & Graphic Novels 264 285 5.4 27-1 1 Arts & Photography 268 281 5.3 28 1 10 Engineering & Transportation 414 198 3.5 29-1 14 Law 1,209 83 1.0 30 0 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com Position vs. Prior Month ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Momentum of Top 100 ID Rise/Drop in Top 100 Average Sales Rank vs. Prior Month Graph Index: Best = 100 Worst = 1 29 Teen & Young Adult 26.7% 100.0 1 5 Comics & Graphic Novels 24.2% 93.6 2 9 Education & Teaching 17.9% 77.4 3 7 Cookbooks, Food & Wine 16.0% 72.7 4 30 Travel 10.8% 59.4 5 12 History 10.6% 58.8 6 27 Self-Help 9.0% 54.6 7 10 Engineering & Transportation 8.2% 52.7 8 4 Children's ebooks 8.1% 52.4 9 13 Humor & Entertainment 8.0% 52.0 10 8 Crafts, Hobbies & Home 7.4% 50.7 11 6 Computers & Technology 5.4% 45.4 12 19 Nonfiction 4.9% 44.3 13 22 Reference 3.3% 40.1 14 16 Literature & Fiction 3.1% 39.5 15 23 Religion & Spirituality 2.3% 37.5 16 14 Law 2.1% 36.9 17 3 Business & Money 1.7% 36.0 18 25 Science & Math -1.0% 29.1 19 18 Mystery, Thriller & Suspense -1.1% 28.8 20 21 Politics & Social Sciences -1.5% 27.8 21 17 Medical ebooks -1.7% 27.3 22 2 Biographies & Memoirs -3.3% 23.2 23 20 Parenting & Relationships -3.3% 23.2 24 26 Science Fiction & Fantasy -3.6% 22.5 25 11 Health, Fitness & Dieting -4.8% 19.2 26 28 Sports & Outdoors -4.9% 19.2 27 1 Arts & Photography -7.2% 13.2 28 15 Lesbian, Gay, Bisexual & Transgender ebooks -7.9% 11.3 29 24 Romance -12.0% 1.0 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com Position ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Rank Momentum of No 1. Bestseller ID Rise/Drop of No. 1 Bestseller Sales Rank vs. Prior Month Graph Index: Best = 100 Worst = 1 Position 28 Sports & Outdoors 96% 100.0 1 25 Science & Math 95% 99.9 2 8 Crafts, Hobbies & Home 87% 98.1 3 11 Health, Fitness & Dieting 76% 95.7 4 9 Education & Teaching 75% 95.6 5 1 Arts & Photography 64% 93.1 6 17 Medical ebooks 56% 91.4 7 30 Travel 54% 91.0 8 19 Nonfiction 48% 89.6 9 20 Parenting & Relationships 39% 87.7 10 4 Children's ebooks 37% 87.4 11 22 Reference 34% 86.7 12 29 Teen & Young Adult 29% 85.7 13 24 Romance 23% 84.4 14 23 Religion & Spirituality 21% 83.9 15 2 Biographies & Memoirs 18% 83.2 16 14 Law 15% 82.5 17 27 Self-Help 11% 81.7 18 10 Engineering & Transportation 5% 80.3 19 3 Business & Money 3% 80.0 20 26 Science Fiction & Fantasy 3% 79.9 21 18 Mystery, Thriller & Suspense 0% 79.4 22 13 Humor & Entertainment -5% 78.3 23 6 Computers & Technology -9% 77.5 24 5 Comics & Graphic Novels -11% 77.0 25 16 Literature & Fiction -14% 76.3 26 12 History -28% 73.3 27 7 Cookbooks, Food & Wine -88% 60.4 28 15 Lesbian, Gay, Bisexual & Transgender ebooks -157% 45.4 29 21 Politics & Social Sciences -363% 1.0 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Average Price of Top 100 ID Ø Price of Top 100 Graph Index: Best = 100 Worst = 1 Position 30 Travel $9.02 100.0 1 21 Politics & Social Sciences $8.64 93.0 2 25 Science & Math $8.35 87.7 3 28 Sports & Outdoors $8.25 85.7 4 17 Medical ebooks $8.03 81.9 5 3 Business & Money $7.98 80.9 6 20 Parenting & Relationships $7.97 80.7 7 6 Computers & Technology $7.74 76.5 8 14 Law $7.66 75.1 9 10 Engineering & Transportation $7.43 70.9 10 27 Self-Help $7.43 70.9 11 11 Health, Fitness & Dieting $7.20 66.6 12 12 History $7.01 63.2 13 2 Biographies & Memoirs $6.84 60.0 14 19 Nonfiction $6.71 57.6 15 22 Reference $6.66 56.7 16 5 Comics & Graphic Novels $6.45 53.0 17 4 Children's ebooks $6.19 48.1 18 1 Arts & Photography $6.05 45.6 19 29 Teen & Young Adult $5.72 39.6 20 16 Literature & Fiction $5.58 37.1 21 18 Mystery, Thriller & Suspense $5.41 33.9 22 13 Humor & Entertainment $5.16 29.3 23 9 Education & Teaching $4.87 24.1 24 8 Crafts, Hobbies & Home $4.78 22.3 25 26 Science Fiction & Fantasy $4.73 21.4 26 15 Lesbian, Gay, Bisexual & Transgender ebooks $4.32 14.1 27 7 Cookbooks, Food & Wine $4.17 11.3 28 24 Romance $3.91 6.5 29 23 Religion & Spirituality $3.61 1.0 30 ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Lowest Price among Top 20 ID Lowest Price among Top 20 Graph Index: Best = 100 Worst = 1 Position 12 History $1.20 50.0 1 19 Nonfiction $1.20 50.0 1 5 Comics & Graphic Novels $0.99 50.0 3 25 Science & Math $0.99 50.0 3 21 Politics & Social Sciences $0.99 50.0 3 4 Children's ebooks $0.99 50.0 3 2 Biographies & Memoirs $0.99 50.0 3 30 Travel $0.99 50.0 3 28 Sports & Outdoors $0.99 50.0 3 3 Business & Money $0.99 50.0 3 27 Self-Help $0.99 50.0 3 17 Medical ebooks $0.99 50.0 3 26 Science Fiction & Fantasy $0.99 50.0 3 6 Computers & Technology $0.99 50.0 3 7 Cookbooks, Food & Wine $0.99 50.0 3 18 Mystery, Thriller & Suspense $0.99 50.0 3 24 Romance $0.99 50.0 3 20 Parenting & Relationships $0.99 50.0 3 29 Teen & Young Adult $0.99 50.0 3 1 Arts & Photography $0.99 50.0 3 8 Crafts, Hobbies & Home $0.99 50.0 3 9 Education & Teaching $0.99 50.0 3 10 Engineering & Transportation $0.99 50.0 3 11 Health, Fitness & Dieting $0.99 50.0 3 13 Humor & Entertainment $0.99 50.0 3 14 Law $0.99 50.0 3 15 Lesbian, Gay, Bisexual & Transgender ebooks $0.99 50.0 3 16 Literature & Fiction $0.99 50.0 3 22 Reference $0.99 50.0 3 23 Religion & Spirituality $0.99 50.0 3 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Price Trend of Top 100 ID Ø Price Change in Top 100 vs. Prior Month Graph Index: Best = 100 Worst = 1 Position 24 Romance 16% 100.0 1 16 Literature & Fiction 9% 76.7 2 26 Science Fiction & Fantasy 6% 70.4 3 30 Travel 5% 66.0 4 28 Sports & Outdoors 4% 61.9 5 20 Parenting & Relationships 3% 60.7 6 18 Mystery, Thriller & Suspense 3% 60.4 7 11 Health, Fitness & Dieting 3% 59.9 8 17 Medical ebooks 3% 58.1 9 21 Politics & Social Sciences 2% 57.4 10 25 Science & Math 2% 56.4 11 15 Lesbian, Gay, Bisexual & Transgender ebooks 2% 55.4 12 29 Teen & Young Adult 2% 54.6 13 27 Self-Help 0% 50.5 14 3 Business & Money -3% 39.2 15 4 Children's ebooks -4% 38.2 16 14 Law -4% 36.5 17 13 Humor & Entertainment -5% 34.9 18 10 Engineering & Transportation -6% 32.4 19 2 Biographies & Memoirs -7% 28.9 20 12 History -7% 27.2 21 5 Comics & Graphic Novels -7% 27.2 22 23 Religion & Spirituality -7% 26.3 23 22 Reference -8% 25.7 24 8 Crafts, Hobbies & Home -8% 23.8 25 6 Computers & Technology -9% 21.7 26 19 Nonfiction -9% 21.4 27 1 Arts & Photography -10% 18.3 28 9 Education & Teaching -10% 16.9 29 7 Cookbooks, Food & Wine -15% 1.0 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN JUN AUG SEP OCT NOV DEC JAN FEB MAR APR MAY JUN Categories by Average Price of Top 100 - Trend $ Kindle Sales Price Batch 1 Batch 2 Batch 3 Batch 4 10.00 9.50 9.00 8.50 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.00 10.00 9.50 9.00 8.50 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.00 Extreme values for selected technical genres occured in August 2017 due to very expensive technical/professional/academic titles that made it into the Top 100. 11.00 10.50 10.00 9.50 9.00 8.50 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.00 14.00 13.50 13.00 12.50 12.00 11.50 11.00 10.50 10.00 9.50 9.00 8.50 8.00 7.50 7.00 6.50 6.00 5.50 5.00 4.50 4.00 3.50 3.00 2.50 Arts & Photography Biographies & Memoirs Business & Money Children's ebooks Comics & Graphic Novels Cookbooks, Food & Wine Crafts, Hobbies & Home Education & Teaching Engineering & Transportation Humor & Entertainment Law Lesbian, Gay, Bisexual & Transgender ebooks Literature & Fiction Medical ebooks Mystery, Thriller & Suspense Nonfiction Parenting & Relationships Politics & Social Sciences Reference Religion & Spirituality Romance Science & Math Science Fiction & Fantasy Self-Help Sports & Outdoors Teen & Young Adult Travel

Categories by Number of (= Competition) ID Number of Graph Index: Best = 100 Worst = 1 Position 14 Law 59,758 100.0 1 10 Engineering & Transportation 76,164 99.3 2 30 Travel 77,961 99.2 3 20 Parenting & Relationships 82,714 99.0 4 28 Sports & Outdoors 87,044 98.8 5 6 Computers & Technology 88,444 98.7 6 7 Cookbooks, Food & Wine 88,709 98.7 7 8 Crafts, Hobbies & Home 101,099 98.2 8 17 Medical ebooks 116,441 97.5 9 13 Humor & Entertainment 121,640 97.2 10 22 Reference 135,408 96.6 11 27 Self-Help 142,608 96.3 12 15 Lesbian, Gay, Bisexual & Transgender ebooks 152,512 95.9 13 5 Comics & Graphic Novels 180,273 94.6 14 2 Biographies & Memoirs 205,131 93.5 15 9 Education & Teaching 209,138 93.3 16 1 Arts & Photography 238,023 92.1 17 18 Mystery, Thriller & Suspense 280,421 90.2 18 29 Teen & Young Adult 284,882 90.0 19 21 Politics & Social Sciences 285,722 89.9 20 25 Science & Math 286,540 89.9 21 3 Business & Money 312,654 88.7 22 26 Science Fiction & Fantasy 326,394 88.1 23 11 Health, Fitness & Dieting 330,896 87.9 24 12 History 364,243 86.4 25 4 Children's ebooks 446,127 82.8 26 24 Romance 458,371 82.2 27 23 Religion & Spirituality 514,222 79.7 28 16 Literature & Fiction 1,606,897 31.0 29 19 Nonfiction 2,280,668 1.0 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Share of Kindle Unlimited (Supply) ID Share of Kindle Unlimited Graph Index: Best = 100 Worst = 1 7 Cookbooks, Food & Wine 51% 100 1 15 Lesbian, Gay, Bisexual & Transgender ebooks 43% 85 2 27 Self-Help 42% 83 3 11 Health, Fitness & Dieting 42% 82 4 26 Science Fiction & Fantasy 41% 80 5 24 Romance 40% 78 6 20 Parenting & Relationships 38% 74 7 18 Mystery, Thriller & Suspense 38% 73 8 29 Teen & Young Adult 37% 72 9 30 Travel 36% 71 10 4 Children's ebooks 35% 69 11 8 Crafts, Hobbies & Home 35% 68 12 13 Humor & Entertainment 34% 67 13 16 Literature & Fiction 34% 66 14 19 Nonfiction 30% 58 15 28 Sports & Outdoors 30% 58 16 23 Religion & Spirituality 29% 56 17 9 Education & Teaching 29% 56 18 3 Business & Money 27% 53 19 22 Reference 26% 51 20 2 Biographies & Memoirs 25% 49 21 6 Computers & Technology 24% 48 22 1 Arts & Photography 24% 47 23 17 Medical ebooks 14% 28 24 25 Science & Math 14% 27 25 14 Law 13% 26 26 12 History 13% 25 27 21 Politics & Social Sciences 11% 22 28 10 Engineering & Transportation 9% 18 29 5 Comics & Graphic Novels 8% 15 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com Position ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Growth of Number of ID Change in Number of vs. Prior Month Graph Index: Best = 100 Worst = 1 12 History 0.5% 100.0 1 29 Teen & Young Adult 0.6% 96.4 2 21 Politics & Social Sciences 0.7% 94.1 3 1 Arts & Photography 0.7% 91.9 4 8 Crafts, Hobbies & Home 0.8% 91.0 5 10 Engineering & Transportation 0.8% 88.9 6 28 Sports & Outdoors 0.8% 88.2 7 4 Children's ebooks 0.8% 87.9 8 2 Biographies & Memoirs 0.9% 87.3 9 22 Reference 0.9% 84.8 10 20 Parenting & Relationships 0.9% 84.6 11 25 Science & Math 1.0% 83.9 12 19 Nonfiction 1.0% 81.7 13 30 Travel 1.1% 80.9 14 13 Humor & Entertainment 1.1% 80.3 15 23 Religion & Spirituality 1.1% 78.1 16 27 Self-Help 1.2% 77.0 17 7 Cookbooks, Food & Wine 1.2% 77.0 18 5 Comics & Graphic Novels 1.2% 74.9 19 17 Medical ebooks 1.3% 74.0 20 18 Mystery, Thriller & Suspense 1.3% 73.2 21 6 Computers & Technology 1.3% 72.2 22 16 Literature & Fiction 1.4% 69.3 23 11 Health, Fitness & Dieting 1.5% 64.5 24 9 Education & Teaching 1.5% 64.2 25 26 Science Fiction & Fantasy 1.6% 62.8 26 24 Romance 1.7% 58.3 27 15 Lesbian, Gay, Bisexual & Transgender ebooks 2.0% 47.8 28 14 Law 2.4% 34.6 29 3 Business & Money 3.4% 1.0 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com Position ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories by Average Page Length (= Effort) ID Average Page Length Graph Index: Best = 100 Worst = 1 Position 5 Comics & Graphic Novels 156 100.0 1 9 Education & Teaching 174 92.9 2 4 Children's ebooks 214 76.2 3 8 Crafts, Hobbies & Home 223 72.5 4 27 Self-Help 244 64.2 5 22 Reference 252 60.6 6 6 Computers & Technology 266 54.9 7 10 Engineering & Transportation 268 54.0 8 3 Business & Money 270 53.5 9 20 Parenting & Relationships 275 51.1 10 7 Cookbooks, Food & Wine 276 51.0 11 15 Lesbian, Gay, Bisexual & Transgender ebooks 284 47.7 12 17 Medical ebooks 290 45.3 13 11 Health, Fitness & Dieting 291 44.7 14 1 Arts & Photography 292 44.3 15 14 Law 301 40.5 16 28 Sports & Outdoors 311 36.5 17 19 Nonfiction 313 35.7 18 21 Politics & Social Sciences 316 34.5 19 25 Science & Math 323 31.5 20 13 Humor & Entertainment 330 28.7 21 2 Biographies & Memoirs 333 27.7 22 23 Religion & Spirituality 334 27.0 23 24 Romance 338 25.4 24 16 Literature & Fiction 353 19.1 25 12 History 362 15.4 26 18 Mystery, Thriller & Suspense 371 11.7 27 30 Travel 374 10.6 28 26 Science Fiction & Fantasy 384 6.4 29 29 Teen & Young Adult 397 1.0 30 Green = New category introduced by amazon.com Blue = renamed and/or reclassified by amazon.com ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Graph 1 Graph 2 Graph 3 Graph 4 Graph 5 Graph 6 Graph 7 Graph 8 Graph 9 Graph 10 Categories Key Data Summary Alphabetical ID BOOK MARKET / NICHE SALES VOLUME VOLUME GROWTH PRICE REALIZATION Ø Sales Rank of Top 100 Ø Est. Sales per Day per Top 100 Title Sales Rank of No. 1 Bestseller Est. Sales per Day of No. 1 Bestseller % Rise/ Drop of Top 100 Ø Sales Rank Rise/ Drop of No. 1 Bestseller Sales Rank Ø Price of Top 100 Lowest Price among Top 20 Price Change of Top 100 vs. Prior Month COMPETITIVE INTENSITY 1 Arts & Photography 14,919 9 268 281-7% 1 $6.05 $0.99-10% 238,023 0.73% 292 2 Biographies & Memoirs 1,322 77 7 2,102-3% 0 $6.84 $0.99-7% 205,131 0.87% 333 3 Business & Money 2,638 44 10 1,764 2% 0 $7.98 $0.99-3% 312,654 3.36% 270 4 Children's ebooks 1,858 59 10 1,776 8% 0 $6.19 $0.99-4% 446,127 0.85% 214 5 Comics & Graphic Novels 7,028 20 264 285 24% 0 $6.45 $0.99-7% 180,273 1.23% 156 6 Computers & Technology 12,925 11 182 384 5% 0 $7.74 $0.99-9% 88,444 1.30% 266 7 Cookbooks, Food & Wine 4,339 29 68 736 16% -1 $4.17 $0.99-15% 88,709 1.16% 276 8 Crafts, Hobbies & Home 10,775 14 24 1,183 7% 1 $4.78 $0.99-8% 101,099 0.76% 223 9 Education & Teaching 9,816 15 13 1,564 18% 1 $4.87 $0.99-10% 209,138 1.53% 174 10 Engineering & Transportation 23,294 6 414 198 8% 0 $7.43 $0.99-6% 76,164 0.82% 268 11 Health, Fitness & Dieting 1,962 56 13 1,564-5% 1 $7.20 $0.99 3% 330,896 1.53% 291 12 History 1,938 57 35 992 11% 0 $7.01 $1.20-7% 364,243 0.50% 362 13 Humor & Entertainment 3,331 36 85 667 8% 0 $5.16 $0.99-5% 121,640 1.07% 330 14 Law 29,143 4 1,209 83 2% 0 $7.66 $0.99-4% 59,758 2.39% 301 15 Lesbian, Gay, Bisexual & Transgender 2,149eBooks52 135 490-8% -2 $4.32 $0.99 2% 152,512 2.01% 284 16 Literature & Fiction 70 728 1 4,601 3% 0 $5.58 $0.99 9% 1,606,897 1.39% 353 17 Medical ebooks 10,255 15 120 538-2% 1 $8.03 $0.99 3% 116,441 1.25% 290 18 Mystery, Thriller & Suspense 146 458 1 4,601-1% 0 $5.41 $0.99 3% 280,421 1.27% 371 19 Nonfiction 376 214 3 2,925 5% 0 $6.71 $1.20-9% 2,280,668 1.03% 313 20 Parenting & Relationships 7,831 18 101 619-3% 0 $7.97 $0.99 3% 82,714 0.94% 275 21 Politics & Social Sciences 2,790 42 32 1,028-1% -4 $8.64 $0.99 2% 285,722 0.67% 316 22 Reference 10,334 14 91 646 3% 0 $6.66 $0.99-8% 135,408 0.94% 252 23 Religion & Spirituality 1,224 82 46 880 2% 0 $3.61 $0.99-7% 514,222 1.13% 334 24 Romance 137 482 10 1,719-12% 0 $3.91 $0.99 16% 458,371 1.71% 338 25 Science & Math 3,788 33 3 2,813-1% 1 $8.35 $0.99 2% 286,540 0.96% 323 26 Science Fiction & Fantasy 430 192 6 2,263-4% 0 $4.73 $0.99 6% 326,394 1.57% 384 27 Self-Help 2,591 45 9 1,788 9% 0 $7.43 $0.99 0% 142,608 1.16% 244 28 Sports & Outdoors 10,224 15 7 2,081-5% 1 $8.25 $0.99 4% 87,044 0.84% 311 29 Teen & Young Adult 706 129 12 1,605 27% 0 $5.72 $0.99 2% 284,882 0.60% 397 30 Travel 7,136 20 70 726 11% 1 $9.02 $0.99 5% 77,961 1.05% 374 Number of Change of Number of vs. Prior Month EFFORT Ø Page Length ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories Power Index By Descending Index (100 = Best 1 = Worst) ID BOOK MARKET / NICHE SALES VOLUME RANK MOMENTUM PRICE REALIZATION COMPETITION Ø Sales Rank of Top 100 Est. Ø Sales per Day per Top 100 Title Sales Rank of No. 1 Bestseller Est. Sales per Day of No. 1 Bestseller Rise/Drop in Top 100 Ø Sales Rank Rise/Drop of No. 1 Best-seller Sales Rank Ø Price of Top 100 Lowest Price among Top 20 Price Change of Top 100 vs. Prior Mth. Number of EFFORT Change of Ø Page Number of Length (Index 100 = vs. Prior shortest) Month 18 Mystery, Thriller & Suspense 63.1 63.1 100.0 100.0 28.8 79.4 33.9 50.0 60.4 90.2 73.2 11.7 61.6 16 Literature & Fiction 100.0 100.0 100.0 100.0 39.5 76.3 37.1 50.0 76.7 31.0 69.3 19.1 59.8 5 Comics & Graphic Novels 3.1 3.1 5.4 5.4 93.6 77.0 53.0 50.0 27.2 94.6 74.9 100.0 54.9 27 Self-Help 6.5 6.5 38.4 38.4 54.6 81.7 70.9 50.0 50.5 96.3 77.0 64.2 54.3 24 Romance 66.4 66.4 36.9 36.9 1.0 84.4 6.5 50.0 100.0 82.2 58.3 25.4 54.1 30 Travel 3.1 3.1 15.1 15.1 59.4 91.0 100.0 50.0 66.0 99.2 80.9 10.6 51.8 28 Sports & Outdoors 2.4 2.4 44.8 44.8 19.2 100.0 85.7 50.0 61.9 98.8 88.2 36.5 51.7 25 Science & Math 4.9 4.9 60.8 60.8 29.1 99.9 87.7 50.0 56.4 89.9 83.9 31.5 51.1 20 Parenting & Relationships 2.9 2.9 12.7 12.7 23.2 87.7 80.7 50.0 60.7 99.0 84.6 51.1 50.9 10 Engineering & Transportation 1.2 1.2 3.5 3.5 52.7 80.3 70.9 50.0 32.4 99.3 88.9 54.0 50.7 29 Teen & Young Adult 18.0 18.0 34.3 34.3 100.0 85.7 39.6 50.0 54.6 90.0 96.4 1.0 50.6 9 Education & Teaching 2.5 2.5 33.4 33.4 77.4 95.6 24.1 50.0 16.9 93.3 64.2 92.9 50.5 4 Children's ebooks 8.4 8.4 38.1 38.1 52.4 87.4 48.1 50.0 38.2 82.8 87.9 76.2 50.5 6 Computers & Technology 1.9 1.9 7.6 7.6 45.4 77.5 76.5 50.0 21.7 98.7 72.2 54.9 50.1 17 Medical ebooks 2.4 2.4 11.0 11.0 27.3 91.4 81.9 50.0 58.1 97.5 74.0 45.3 49.7 22 Reference 2.4 2.4 13.3 13.3 40.1 86.7 56.7 50.0 25.7 96.6 84.8 60.6 49.0 8 Crafts, Hobbies & Home 2.3 2.3 25.1 25.1 50.7 98.1 22.3 50.0 23.8 98.2 91.0 72.5 48.7 2 Biographies & Memoirs 11.0 11.0 45.2 45.2 23.2 83.2 60.0 50.0 28.9 93.5 87.3 27.7 48.4 21 Politics & Social Sciences 6.2 6.2 21.7 21.7 27.8 1.0 93.0 50.0 57.4 89.9 94.1 34.5 47.9 11 Health, Fitness & Dieting 8.1 8.1 33.4 33.4 19.2 95.7 66.6 50.0 59.9 87.9 64.5 44.7 47.5 3 Business & Money 6.4 6.4 37.8 37.8 36.0 80.0 80.9 50.0 39.2 88.7 1.0 53.5 47.0 12 History 8.2 8.2 20.9 20.9 58.8 73.3 63.2 50.0 27.2 86.4 100.0 15.4 46.5 14 Law 1.0 1.0 1.0 1.0 36.9 82.5 75.1 50.0 36.5 100.0 34.6 40.5 46.2 26 Science Fiction & Fantasy 26.7 26.7 48.8 48.8 22.5 79.9 21.4 50.0 70.4 88.1 62.8 6.4 45.0 7 Cookbooks, Food & Wine 4.4 4.4 15.3 15.3 72.7 60.4 11.3 50.0 1.0 98.7 77.0 51.0 44.9 13 Humor & Entertainment 5.4 5.4 13.8 13.8 52.0 78.3 29.3 50.0 34.9 97.2 80.3 28.7 44.4 1 Arts & Photography 1.7 1.7 5.3 5.3 13.2 93.1 45.6 50.0 18.3 92.1 91.9 44.3 42.9 15 Lesbian, Gay, Bisexual & Trans 7.5 7.5 9.9 9.9 11.3 45.4 14.1 50.0 55.4 95.9 47.8 47.7 39.7 23 Religion & Spirituality 11.7 11.7 18.5 18.5 37.5 83.9 1.0 50.0 26.3 79.7 78.1 27.0 37.7 19 Nonfiction 29.7 29.7 63.3 63.3 44.3 89.6 57.6 50.0 21.4 1.0 81.7 35.7 33.5 30% 5% 7% 3% 11% 2% 2% 25% 5% Criteria Weight: 10% 100% 35% 10% 15% 30% Ø INDEX Weighted Index ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

Categories Power Index Summary Alphabetical (100 = Best 1 = Worst) ID BOOK MARKET / NICHE SALES VOLUME RANK MOMENTUM PRICE REALIZATION COMPETITION Ø Sales Rank of Top 20 Est. Sales per Day per Top 20 Title Sales Rank of No. 1 Bestseller Est. Sales per Day of No. 1 Bestseller Rise/Drop in Top 20 Ø Sales Rank Rise/Drop of No. 1 Best-seller Sales Rank Ø Price of Top 20 Lowest Price among Top 20 Price Change of Top 20 vs. Prior Mth. Number of Change of Number of vs. Prior Month EFFORT Ø Page Length (100 = shortest) 1 Arts & Photography 1.7 1.7 5.3 5.3 13.2 93.1 45.6 50.0 18.3 92.1 91.9 44.3 42.9 2 Biographies & Memoirs 11.0 11.0 45.2 45.2 23.2 83.2 60.0 50.0 28.9 93.5 87.3 27.7 48.4 3 Business & Money 6.4 6.4 37.8 37.8 36.0 80.0 80.9 50.0 39.2 88.7 1.0 53.5 47.0 4 Children's ebooks 8.4 8.4 38.1 38.1 52.4 87.4 48.1 50.0 38.2 82.8 87.9 76.2 50.5 5 Comics & Graphic Novels 3.1 3.1 5.4 5.4 93.6 77.0 53.0 50.0 27.2 94.6 74.9 100.0 54.9 6 Computers & Technology 1.9 1.9 7.6 7.6 45.4 77.5 76.5 50.0 21.7 98.7 72.2 54.9 50.1 7 Cookbooks, Food & Wine 4.4 4.4 15.3 15.3 72.7 60.4 11.3 50.0 1.0 98.7 77.0 51.0 44.9 8 Crafts, Hobbies & Home 2.3 2.3 25.1 25.1 50.7 98.1 22.3 50.0 23.8 98.2 91.0 72.5 48.7 9 Education & Teaching 2.5 2.5 33.4 33.4 77.4 95.6 24.1 50.0 16.9 93.3 64.2 92.9 50.5 10 Engineering & Transportation 1.2 1.2 3.5 3.5 52.7 80.3 70.9 50.0 32.4 99.3 88.9 54.0 50.7 11 Health, Fitness & Dieting 8.1 8.1 33.4 33.4 19.2 95.7 66.6 50.0 59.9 87.9 64.5 44.7 47.5 12 History 8.2 8.2 20.9 20.9 58.8 73.3 63.2 50.0 27.2 86.4 100.0 15.4 46.5 13 Humor & Entertainment 5.4 5.4 13.8 13.8 52.0 78.3 29.3 50.0 34.9 97.2 80.3 28.7 44.4 14 Law 1.0 1.0 1.0 1.0 36.9 82.5 75.1 50.0 36.5 100.0 34.6 40.5 46.2 15 Lesbian, Gay, Bisexual & Trans 7.5 7.5 9.9 9.9 11.3 45.4 14.1 50.0 55.4 95.9 47.8 47.7 39.7 16 Literature & Fiction 100.0 100.0 100.0 100.0 39.5 76.3 37.1 50.0 76.7 31.0 69.3 19.1 59.8 17 Medical ebooks 2.4 2.4 11.0 11.0 27.3 91.4 81.9 50.0 58.1 97.5 74.0 45.3 49.7 18 Mystery, Thriller & Suspense 63.1 63.1 100.0 100.0 28.8 79.4 33.9 50.0 60.4 90.2 73.2 11.7 61.6 19 Nonfiction 29.7 29.7 63.3 63.3 44.3 89.6 57.6 50.0 21.4 1.0 81.7 35.7 33.5 20 Parenting & Relationships 2.9 2.9 12.7 12.7 23.2 87.7 80.7 50.0 60.7 99.0 84.6 51.1 50.9 21 Politics & Social Sciences 6.2 6.2 21.7 21.7 27.8 1.0 93.0 50.0 57.4 89.9 94.1 34.5 47.9 22 Reference 2.4 2.4 13.3 13.3 40.1 86.7 56.7 50.0 25.7 96.6 84.8 60.6 49.0 23 Religion & Spirituality 11.7 11.7 18.5 18.5 37.5 83.9 1.0 50.0 26.3 79.7 78.1 27.0 37.7 24 Romance 66.4 66.4 36.9 36.9 1.0 84.4 6.5 50.0 100.0 82.2 58.3 25.4 54.1 25 Science & Math 4.9 4.9 60.8 60.8 29.1 99.9 87.7 50.0 56.4 89.9 83.9 31.5 51.1 26 Science Fiction & Fantasy 26.7 26.7 48.8 48.8 22.5 79.9 21.4 50.0 70.4 88.1 62.8 6.4 45.0 27 Self-Help 6.5 6.5 38.4 38.4 54.6 81.7 70.9 50.0 50.5 96.3 77.0 64.2 54.3 28 Sports & Outdoors 2.4 2.4 44.8 44.8 19.2 100.0 85.7 50.0 61.9 98.8 88.2 36.5 51.7 29 Teen & Young Adult 18.0 18.0 34.3 34.3 100.0 85.7 39.6 50.0 54.6 90.0 96.4 1.0 50.6 30 Travel 3.1 3.1 15.1 15.1 59.4 91.0 100.0 50.0 66.0 99.2 80.9 10.6 51.8 30% 5% 7% 3% 11% 2% 2% 25% 5% Criteria Weight: 10% 100% 35% 10% 15% 30% Ø INDEX Weighted Index ISSUE AUGUST 2018 (Data per 31 July 2018) K-lytics.com

DISCLAIMER, LIABILITY RESTRICTION This report is intended to provide an indicative and approximate snap shot picture of the book market on the Amazon Kindle platform. However, in a time of rapid change, it is difficult to ensure that all information provided is entirely accurate and up-to-date. Nothing on in this report, or any report contained on the K-lytics.com web site, constitutes individual business, legal or tax advice. The opinions and information contained on this site and the reports have been obtained or derived from sources believed to be reliable, but K-lytics.com and its directors, officers, agents, or employees makes no representation as to their timeliness, accuracy or completeness, or assume any legal liability or responsibility for the accuracy, completeness, or usefulness of any information contained therein. K-lytics does not warrant that the information or services of K-lytics will meet any specific requirements; nor will it be error-free or uninterrupted; nor shall K-lytics be liable for any indirect, incidental or consequential damages (including lost data, information or profits) sustained or incurred in connection with the use, operation, or inability to use of the information in this report or on the K-lytics web site. Under no circumstances will K-lytics, it affiliates, successors or assigns be liable for any loss or damage caused by anyone s reliance on information contained in this report or on the K-lytics web site. Submission of information on our web discussion forum (such as on Facebook or Google+ and alike) does not in any way assure employment or use as a consultant by K-lytics and/or any of its clients. Further, the inclusion of information contained therein on this website does not in any way imply that the persons submitting same are employed by or utilized as consultants by K-lytics, and such persons are explicitly prohibited from representing so in any media. The information contained in our web discussion forums is self-submitted and has not been reviewed or verified in any way by K-lytics. The employment or use as a consultant of any person contained therein is strictly at the discretion of our clients and as stated above, K-lytics will not be liable in any way with regard thereto. This report and the K-lytics web site and the products and services offered on this site are not associated, affiliated, endorsed, or sponsored by amazon. Please do your own due diligence. Copyright 2018 K-lytics.com