Thriller 205

Historical Fiction 163

Sociology 136

Politics 110

Short Stories 84

Suspense 84

Science 76

Self-Improvement 73

Business 65

Fantasy 60

Performing Arts 54

Nature 48

Military 46

Family & Relationships 42

True Crime 42

Humor (Fiction) 41

Psychology 40

Medical 39

Health & Fitness 34

Religion & Spirituality 32

Women's Studies 32

Music 31

Romance 31

LGBTQIA+ (Fiction) 29

Literary Criticism 28

Sports & Recreations 27

Philosophy 26

Humor (Nonfiction) 20

Poetry 19

Technology 19

Travel 18

African American Fiction 17

New Age 17

Young Adult Fiction 16

Multi-Cultural 16

Science Fiction 16

Young Adult Literature 15

Cooking & Food 15

Language Arts 14

Law 14

Self Help 12

Computer Technology 12

Essays 11

LGBTQIA+ (Nonfiction) 11

Education 10

Art 9

Horror 8

Reference 7

Transportation 7

Classic Literature 6

African American Nonfiction 6

Literary Anthologies 6

Pets 6

Careers 5

Writing 5

Juvenile Fiction 5

Western 5

Economics 4

Finance 4

Engineering 3

Christian Nonfiction 3

Games 3

Home Design & Décor 3

Antiques 3

Judaica 3

Juvenile Literature 3

Mathematics 3

Crafts 2

Gardening 2

Grammar & Language Usage 2

Children 2

Physics 1

Media Studies 1

Young Adult Nonfiction 1

Drama 1

Erotic Literature 1

Juvenile Nonfiction 1

Architecture 1

Mythology 1

Photography 1

Psychiatry 1