Thriller 25,174

Suspense 22,833

Humor (Fiction) 11,085

Science Fiction 8,781

LGBTQIA+ (Fiction) 8,181

Short Stories 7,426

African American Fiction 5,785

Comic and Graphic Books 5,153

Western 4,578

Christian Fiction 4,247

Classic Literature 4,087

Horror 3,105

Erotic Literature 2,724

Poetry 2,258

Mythology 1,655

Drama 1,078

Literary Anthologies 749

Non-English Fiction 454

Urban Fiction 197

Science Fiction & Fantasy 179

Folklore 43

Literary Criticism 27

Juvenile Literature 16

Sociology 12

Essays 11

History 11

Travel Literature 10

Family & Relationships 8

Inspirational 7

Humor (Nonfiction) 7

Young Adult Literature 7

Biography & Autobiography 7

LGBTQIA+ (Nonfiction) 6

Language Arts 6

Self-Improvement 6

Women's Studies 6

New Age 5

Performing Arts 5

Politics 5

Christian Nonfiction 4

Philosophy 4

Health & Fitness 3

Multi-Cultural 3

Nature 3

Foreign Language 3

Reference 3

Travel 3

African American Nonfiction 2

Entertainment 2

Self Help 2

Writing 2

Medical 2

Art 2

Pets 2

Psychology 2

Science 2

Military 2

Picture Book Fiction 1

Computer Technology 1

Cooking & Food 1

Education 1

Foreign Language Study 1

Music 1

Outdoor Recreation 1