Business 5,340

Christian Nonfiction 5,233

Family & Relationships 4,517

Politics 4,338

Health & Fitness 4,112

Cooking & Food 4,009

Psychology 2,847

New Age 2,460

Science 2,183

Performing Arts 1,926

Travel 1,869

Sports & Recreations 1,867

Reference 1,828

Military 1,769

Essays 1,746

Humor (Nonfiction) 1,715

Literary Criticism 1,566

True Crime 1,559

Language Arts 1,526

Medical 1,375

Study Aids & Workbooks 1,285

Crafts 1,284

Nature 1,273

Education 1,269

Philosophy 1,178

Art 1,162

Computer Technology 1,065

Economics 982

Music 909

Self Help 851

Home Design & Décor 845

Finance 830

Technology 800

Women's Studies 794

Gardening 582

Pets 546

Multi-Cultural 466

Law 449

Foreign Language Study 418

LGBTQIA+ (Nonfiction) 413

Careers 407

Games 330

African American Nonfiction 282

Genealogy 275

Mathematics 242

Photography 234

Transportation 204

Architecture 201

Writing 187

Management 123

Antiques 100

Ethics 99

Judaica 99

Physics 93

Entertainment 93

Engineering 86

Grammar & Language Usage 85

Professional 72

Children 70

Marketing & Sales 67

Gender Studies 59

Media Studies 57

Current Events 51

Sales & Marketing 49

Chemistry 44

Geography 43

Psychiatry 37

Crime 27

Psychiatry & Psychology 27

Foreign Language Study - Spanish 21

Scholarly 16

Non-English Nonfiction 15

Drama 13

Foreign Language 13

Outdoor Recreation 10

Journalism 9

Report 9

Foreign Language Study - French 9

Research 8

Foreign Language Study - German 6

Foreign Language Study - Japanese 6

Literature 6

Mystery 6

Recovery 6

Text Book 6

Inspirational 5

Analysis 5

Comic and Graphic Books 4

Foreign Language Study - Chinese 4

Foreign Language Study - Italian 4

Child Development 4

Human Rights 4

Biology 3

Humor (Fiction) 3

Foreign Language Study - Portuguese 3

Fantasy 3

Short Stories 3

Thriller 2

Foreign Language Study - Vietnamese 2

Criticism 2

Feminist 2

Antiquarian 2

Classic Literature 1

Historical Fiction 1

Music-Sheet 1

LGBTQIA+ (Fiction) 1

Foreign Language Study - English 1

Foreign Language Study - Korean 1

Foreign Language Study - Russian 1

Social Media 1

Antiques & Collectibles 1

Foreign Language Study - Swedish 1

Erotic Literature 1

Literary Anthologies 1

Foreign Language Study - Arabic 1

Poetry 1

Romance 1

Suspense 1

Christian Fiction 1