Sociology 13,340

Christian Nonfiction 11,536

Politics 11,522

Cooking & Food 9,922

Health & Fitness 9,426

Family & Relationships 9,213

New Age 7,808

Psychology 6,765

Science 5,902

Sports & Recreations 5,211

Military 4,870

Performing Arts 4,378

Travel 4,105

Humor (Nonfiction) 3,614

Nature 3,611

Literary Criticism 3,421

Medical 3,393

Art 3,359

Philosophy 3,349

Reference 3,121

Education 3,080

Crafts 3,031

True Crime 2,909

Economics 2,603

Essays 2,481

Computer Technology 2,382

Self Help 2,260

Music 2,187

Technology 2,115

Language Arts 2,089

Women's Studies 1,882

Home Design & Décor 1,814

Finance 1,762

Foreign Language Study 1,421

Pets 1,402

Gardening 1,326

Law 1,176

Study Aids & Workbooks 1,146

Multi-Cultural 1,124

LGBTQIA+ (Nonfiction) 930

Careers 885

Photography 816

Games 764

Writing 685

Architecture 617

Transportation 591

Mathematics 520

African American Nonfiction 508

Management 269

Judaica 249

Antiques 248

Physics 236

Engineering 219

Grammar & Language Usage 205

Ethics 203

Entertainment 183

Sales & Marketing 183

Media Studies 181

Professional 164

Marketing & Sales 142

Children 132

Chemistry 124

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

Scholarly 17

Genealogy 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

Poetry 5

Short Stories 5

Suspense 5

Historical Fiction 4

Foreign Language Study - Portuguese 4

Fantasy 4

Literary Anthologies 4

Thriller 3

Feminist 3

LGBTQIA+ (Fiction) 2

Foreign Language Study - English 2

Child Development 2

Fiction 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