Christian Nonfiction 5,481

Business 5,427

Family & Relationships 4,600

Politics 4,422

Health & Fitness 4,174

Cooking & Food 4,045

Psychology 2,908

New Age 2,492

Science 2,205

Performing Arts 1,979

Sports & Recreations 1,894

Travel 1,874

Reference 1,839

Military 1,779

Essays 1,753

Humor (Nonfiction) 1,718

Literary Criticism 1,595

True Crime 1,591

Language Arts 1,534

Medical 1,415

Education 1,294

Study Aids & Workbooks 1,294

Nature 1,291

Crafts 1,289

Philosophy 1,208

Art 1,175

Computer Technology 1,094

Economics 981

Music 927

Self Help 870

Home Design & Décor 848

Finance 844

Technology 820

Women's Studies 807

Gardening 592

Pets 555

Multi-Cultural 481

Law 456

Foreign Language Study 427

LGBTQIA+ (Nonfiction) 424

Careers 409

Games 337

Genealogy 276

African American Nonfiction 273

Photography 245

Mathematics 242

Transportation 207

Architecture 205

Writing 192

Management 122

Entertainment 103

Judaica 101

Antiques 100

Ethics 99

Engineering 89

Physics 88

Grammar & Language Usage 86

Children 86

Professional 77

Marketing & Sales 67

Media Studies 58

Gender Studies 57

Current Events 52

Sales & Marketing 51

Geography 47

Chemistry 44

Psychiatry 40

Crime 27

Psychiatry & Psychology 26

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

Literature 7

Foreign Language Study - German 6

Foreign Language Study - Japanese 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

Criticism 3

Fantasy 3

Short Stories 3

Thriller 2

Foreign Language Study - Vietnamese 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