Reference 136

Multi-Cultural 131

Religion & Spirituality 117

Self-Improvement 101

LGBTQIA+ (Nonfiction) 86

Politics 75

Family & Relationships 72

Geography 71

Nature 71

Sports & Recreations 69

Technology 66

Humor (Nonfiction) 54

Study Aids & Workbooks 53

Human Rights 52

Performing Arts 44

Language Arts 41

Law 39

Education 36

Computer Technology 35

Games 33

Art 33

Careers 32

Business 30

Music 26

Crime 25

Psychology 24

Mathematics 22

Cooking & Food 18

Foreign Language Study 18

Media Studies 16

Crafts 16

Entertainment 15

New Age 15

Transportation 15

Finance 14

Literary Criticism 13

Outdoor Recreation 8

Analysis 5

Essays 5

Philosophy 5

Military 5

African American Nonfiction 4

Physics 4

Travel 4

Comic and Graphic Books 3

Young Adult Literature 3

Christian Nonfiction 3

Home Design & Décor 3

Non-English Nonfiction 2

Judaica 2

Chemistry 1

Self Help 1

Current Events 1

Fantasy 1

Grammar & Language Usage 1

Writing 1

Juvenile Literature 1

Architecture 1

Medical 1

Photography 1

Research 1

True Crime 1