Fantasy 1,947

Literature 1,784

Young Adult Literature 1,783

Historical Fiction 1,287

Humor (Fiction) 1,238

Thriller 895

Mystery 848

Biography & Autobiography 803

Suspense 729

Science Fiction 561

History 416

Sociology 339

Business 328

Self-Improvement 302

LGBTQIA+ (Fiction) 283

Mythology 259

Cooking & Food 234

Horror 226

Short Stories 223

Politics 218

Juvenile Nonfiction 216

Family & Relationships 196

Classic Literature 186

Poetry 179

Comic and Graphic Books 177

Folklore 174

Health & Fitness 169

Science 169

Psychology 164

Science Fiction & Fantasy 157

Religion & Spirituality 143

African American Fiction 126

Picture Book Fiction 118

New Age 101

Performing Arts 97

Nature 96

Sports & Recreations 94

Literary Criticism 88

Economics 80

Humor (Nonfiction) 74

Reference 74

Western 74

Medical 71

Military 64

Multi-Cultural 59

Christian Nonfiction 58

Essays 57

True Crime 56

Music 53

Language Arts 52

Young Adult Nonfiction 50

Women's Studies 50

Travel 48

Technology 47

Beginning Reader 47

Art 46

Philosophy 43

Education 42

Literary Anthologies 33

Geography 31

Finance 30

Self Help 29

Travel Literature 29

Careers 28

LGBTQIA+ (Nonfiction) 23

Pets 23

Christian Fiction 20

Computer Technology 18

Drama 16

Games 15

Photography 15

Home Design & Décor 14

Non-English Fiction 12

Erotic Literature 12

Judaica 11

Law 11

African American Nonfiction 10

Gardening 10

Architecture 10

Transportation 10

Picture Book Nonfiction 9

Writing 9

Crafts 7

Mathematics 7

Physics 5

Marketing & Sales 4

Human Rights 4

Study Aids & Workbooks 4

Children 4

Engineering 3

Chemistry 3

Entertainment 3

Gender Studies 3

Antiques 3

Non-English Nonfiction 2

Sales & Marketing 2

Ethics 2

Grammar & Language Usage 2

Psychiatry 2

Research 2

Inspirational 1

Foreign Language Study 1