Christian Nonfiction 5,477

Business 5,422

Family & Relationships 4,597

Politics 4,414

Health & Fitness 4,172

Cooking & Food 4,038

Psychology 2,899

New Age 2,491

Science 2,198

Performing Arts 1,976

Sports & Recreations 1,894

Travel 1,873

Reference 1,836

Military 1,778

Essays 1,751

Humor (Nonfiction) 1,717

Literary Criticism 1,596

True Crime 1,586

Language Arts 1,534

Medical 1,413

Study Aids & Workbooks 1,294

Education 1,293

Crafts 1,288

Nature 1,286

Philosophy 1,210

Art 1,174

Computer Technology 1,090

Economics 981

Music 924

Self Help 868

Home Design & Décor 848

Finance 845

Technology 815

Women's Studies 806

Gardening 593

Pets 554

Multi-Cultural 480

Law 458

Foreign Language Study 427

LGBTQIA+ (Nonfiction) 424

Careers 408

Games 337

Genealogy 276

African American Nonfiction 273

Photography 244

Mathematics 242

Transportation 208

Architecture 204

Writing 192

Management 122

Entertainment 103

Antiques 100

Judaica 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 46

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