Business 6,492

Religion & Spirituality 5,960

Politics 5,578

Family & Relationships 4,672

Health & Fitness 4,159

New Age 3,893

Psychology 3,200

Sports & Recreations 3,027

Science 2,919

Crafts 2,918

Reference 2,647

Travel 2,594

Christian Nonfiction 2,578

Art 2,347

Performing Arts 2,137

Humor (Nonfiction) 2,127

Essays 2,085

Military 2,009

Nature 1,972

Language Arts 1,824

Education 1,718

Literary Criticism 1,658

Foreign Language Study 1,494

Medical 1,466

True Crime 1,359

Philosophy 1,309

Music 1,225

Home Design & Décor 1,223

Economics 1,158

Study Aids & Workbooks 1,137

Computer Technology 1,077

Self Help 1,035

Women's Studies 1,018

Technology 978

Gardening 819

Pets 808

Finance 743

Multi-Cultural 700

Photography 690

LGBTQIA+ (Nonfiction) 669

Law 480

Careers 457

Games 398

African American Nonfiction 379

Writing 343

Architecture 338

Transportation 316

Mathematics 265

Antiques 235

Physics 121

Management 111

Engineering 106

Grammar & Language Usage 95

Judaica 94

Entertainment 81

Marketing & Sales 78

Ethics 78

Chemistry 71

Sales & Marketing 71

Media Studies 68

Professional 60

Children 54

Gender Studies 53

Geography 35

Psychiatry 29

Crime 26

Non-English Nonfiction 26

Foreign Language 21

Psychiatry & Psychology 16

Genealogy 16

Foreign Language Study - Spanish 15

Current Events 14

Comic and Graphic Books 10

Outdoor Recreation 10

Journalism 8

Foreign Language Study - French 6

Foreign Language Study - Italian 6

Inspirational 5

Drama 5

Research 5

Historical Fiction 4

Biology 4

Foreign Language Study - German 4

Literature 4

Literary Anthologies 4

Mystery 4

Scholarly 4

Analysis 3

Recovery 3

Humor (Fiction) 2

Foreign Language Study - Japanese 2

Child Development 2

Criticism 2

Fantasy 2

Antiquarian 2

Human Rights 2

Science Fiction 2

Text Book 2

Thriller 1

LGBTQIA+ (Fiction) 1

Foreign Language Study - English 1

Foreign Language Study - Korean 1

Foreign Language Study - Portuguese 1

Foreign Language Study - Russian 1

Social Studies 1

Ancient History 1

Foreign Language Study - Swedish 1

Erotic Literature 1

Feminist 1

Mythology 1

Romance 1

Short Stories 1

Christian Fiction 1