Reference 345

Performing Arts 264

History 194

Self-Improvement 191

Business 184

Sociology 177

Language Arts 167

Politics 147

Pets 135

Science 128

Sports & Recreations 118

Travel 118

Literary Criticism 116

Nature 114

Cooking & Food 80

Games 71

Art 51

Health & Fitness 43

Young Adult Nonfiction 33

Education 33

Photography 29

Philosophy 24

Study Aids & Workbooks 22

New Age 21

Self Help 19

Humor (Fiction) 19

Crafts 17

Technology 17

Music 15

Computer Technology 14

Medical 14

Fiction 13

Grammar & Language Usage 13

Home Design & Décor 11

Psychology 11

Transportation 9

Finance 8

Law 8

Mathematics 8

True Crime 8

Women's Studies 7

Careers 6

Picture Book Nonfiction 6

African American Nonfiction 5

Entertainment 5

Economics 5

Foreign Language Study 5

Military 5

Geography 4

Comic and Graphic Books 4

Writing 4

Management 3

Gardening 3

Juvenile Fiction 3

Literature 3

Media Studies 2

Gender Studies 2

Antiques 2

Architecture 2

Multi-Cultural 2

Children 2

Thriller 1

Engineering 1

Physics 1

Ethics 1

Fantasy 1

Juvenile Literature 1

Poetry 1

Science Fiction 1

Short Stories 1