Sociology 13,331

Christian Nonfiction 11,532

Politics 11,516

Cooking & Food 9,921

Health & Fitness 9,427

Family & Relationships 9,215

New Age 7,822

Psychology 6,765

Science 5,903

Sports & Recreations 5,211

Military 4,868

Performing Arts 4,381

Travel 4,106

Humor (Nonfiction) 3,614

Nature 3,611

Literary Criticism 3,423

Medical 3,395

Art 3,358

Philosophy 3,349

Reference 3,123

Education 3,078

Crafts 3,030

True Crime 2,907

Economics 2,602

Essays 2,483

Computer Technology 2,382

Self Help 2,259

Music 2,187

Technology 2,115

Language Arts 2,088

Women's Studies 1,881

Home Design & Décor 1,815

Finance 1,764

Foreign Language Study 1,421

Pets 1,402

Gardening 1,327

Law 1,176

Study Aids & Workbooks 1,147

Multi-Cultural 1,114

LGBTQIA+ (Nonfiction) 930

Careers 885

Photography 815

Games 764

Writing 686

Architecture 617

Transportation 588

African American Nonfiction 520

Mathematics 520

Management 269

Judaica 249

Antiques 248

Physics 236

Engineering 219

Grammar & Language Usage 205

Ethics 203

Sales & Marketing 183

Entertainment 182

Media Studies 181

Professional 164

Marketing & Sales 142

Children 132

Chemistry 125

Psychiatry 102

Non-English Nonfiction 89

Gender Studies 86

Psychiatry & Psychology 59

Geography 55

Current Events 49

Crime 45

Foreign Language 27

Foreign Language Study - Spanish 26

Drama 26

Research 22

Genealogy 18

Scholarly 17

Foreign Language Study - Italian 14

Foreign Language Study - French 12

Outdoor Recreation 11

Foreign Language Study - German 10

Mystery 10

Recovery 10

Text Book 10

Journalism 9

Foreign Language Study - Japanese 9

Analysis 9

Literature 8

Inspirational 7

Human Rights 7

Biology 6

Science Fiction 6

Classic Literature 5

Comic and Graphic Books 5

Foreign Language Study - Chinese 5

Foreign Language Study - Russian 5

Criticism 5

Short Stories 5

Suspense 5

Historical Fiction 4

Foreign Language Study - Portuguese 4

Fantasy 4

Literary Anthologies 4

Thriller 3

Feminist 3

Poetry 3

LGBTQIA+ (Fiction) 2

Foreign Language Study - English 2

Child Development 2

Christian Fiction 2

Humor (Fiction) 1

Foreign Language Study - Korean 1

Foreign Language Study - Vietnamese 1

Picture Book Nonfiction 1

Environment 1

Social Studies 1

Comedy 1

Communications 1

Ancient History 1

Foreign Language Study - Swedish 1

Antiquarian 1

Romance 1

Travel Literature 1