Religion & Spirituality 90

Sociology 90

Psychology 66

Humor (Nonfiction) 42

Foreign Language Study 39

Family & Relationships 35

New Age 35

Performing Arts 34

Science 33

Essays 31

Health & Fitness 31

Christian Nonfiction 28

Military 28

Philosophy 23

Multi-Cultural 21

African American Nonfiction 18

Education 18

Medical 17

Language Arts 16

Sports & Recreations 16

Economics 14

Reference 14

Self Help 13

True Crime 12

Finance 11

Nature 11

Technology 11

Ethics 10

Literary Criticism 10

Study Aids & Workbooks 10

Cooking & Food 9

Travel 9

Careers 8

Geography 8

Music 8

Foreign Language Study - Spanish 7

Current Events 7

Women's Studies 7

Law 6

Computer Technology 5

Pets 5

Physics 4

Foreign Language Study - French 4

Foreign Language Study - Italian 4

Art 4

Management 3

Gardening 3

Entertainment 2

Foreign Language Study - German 2

LGBTQIA+ (Nonfiction) 2

Home Design & Décor 2

Transportation 2

Foreign Language Study - Latin 1

Sales & Marketing 1

Criticism 1

Drama 1

Human Rights 1

Judaica 1

Architecture 1

Poetry 1

Foreign Language 1

Psychiatry 1