Business 1,700

Religion & Spirituality 1,612

Essays 1,207

Family & Relationships 1,058

Language Arts 846

Health & Fitness 836

Psychology 800

Reference 791

Study Aids & Workbooks 758

Science 757

Performing Arts 751

Christian Nonfiction 741

Cooking & Food 707

Humor (Nonfiction) 696

Travel 622

New Age 605

True Crime 543

Military 539

Literary Criticism 505

Philosophy 492

Finance 426

Art 413

Sports & Recreations 409

Nature 390

Medical 358

Music 333

Education 290

Economics 282

Women's Studies 271

Foreign Language Study 251

Technology 229

Crafts 211

Self Help 198

Multi-Cultural 176

Law 143

African American Nonfiction 134

Home Design & Décor 134

Computer Technology 132

LGBTQIA+ (Nonfiction) 117

Pets 104

Careers 77

Gardening 66

Physics 43

Architecture 43

Photography 43

Mathematics 42

Ethics 37

Transportation 36

Games 34

Management 32

Entertainment 31

Gender Studies 30

Grammar & Language Usage 28

Writing 28

Judaica 25

Engineering 24

Foreign Language Study - Spanish 23

Media Studies 20

Antiques 16

Geography 15

Chemistry 14

Marketing & Sales 14

Children 13

Non-English Nonfiction 12

Sales & Marketing 12

Foreign Language Study - German 11

Foreign Language 11

Professional 10

Foreign Language Study - French 9

Foreign Language Study - Italian 9

Foreign Language Study - Japanese 7

Crime 6

Current Events 6

Foreign Language Study - Russian 5

Psychiatry 5

Psychiatry & Psychology 3

Music-Sheet 3

Journalism 2

Inspirational 2

Foreign Language Study - English 2

Foreign Language Study - Portuguese 2

Criticism 2

Analysis 2

Fantasy 2

Literature 2

Outdoor Recreation 2

Foreign Language Study - Chinese 1

Foreign Language Study - Korean 1

Foreign Language Study - Vietnamese 1

Child Development 1

Social Media 1

Drama 1

Human Rights 1

Literary Anthologies 1

Romance 1

Scholarly 1

Suspense 1

Christian Fiction 1