History 1,367

Historical Fiction 1,209

Biography & Autobiography 1,088

Sociology 638

Thriller 537

Politics 518

Young Adult Fiction 477

Science Fiction 442

Self-Improvement 394

Business 383

Young Adult Literature 358

LGBTQIA+ (Fiction) 351

Psychology 317

Suspense 317

Erotic Literature 305

Family & Relationships 299

Humor (Fiction) 267

Science 254

Religion & Spirituality 238

Military 210

Juvenile Fiction 203

Health & Fitness 201

Juvenile Literature 195

New Age 168

Nature 164

Medical 151

Western 138

True Crime 137

Sports & Recreations 131

African American Fiction 125

Short Stories 124

Classic Literature 120

Horror 120

Christian Fiction 112

Philosophy 105

Cooking & Food 102

Technology 101

Performing Arts 95

Women's Studies 94

Literary Criticism 89

Multi-Cultural 89

Education 84

Music 84

Law 78

Travel 76

Folklore 69

Computer Technology 69

Art 64

Finance 63

Christian Nonfiction 59

Language Arts 59

LGBTQIA+ (Nonfiction) 56

Mythology 56

Self Help 55

Essays 46

Reference 46

Humor (Nonfiction) 44

Economics 39

Pets 34

Science Fiction & Fantasy 34

Home Design & Décor 27

Transportation 27

Poetry 24

Young Adult Nonfiction 21

African American Nonfiction 19

Mathematics 19

Judaica 18

Careers 17

Writing 17

Architecture 16

Engineering 11

Physics 11

Juvenile Nonfiction 10

Literary Anthologies 9

Comic and Graphic Books 8

Games 8

Grammar & Language Usage 7

Media Studies 6

Marketing & Sales 6

Crafts 6

Ethics 6

Gardening 6

Sales & Marketing 4

Study Aids & Workbooks 4

Entertainment 3

Antiques 3

Psychiatry 3

Research 3

Chemistry 2

Geography 2

Foreign Language Study 2

Gender Studies 2

Children 2

Travel Literature 2

Management 1

Biology 1

Environment 1

Drama 1

Human Rights 1

Outdoor Recreation 1

Photography 1

Professional 1