Library non-fiction books are shelved by subject using the Dewey Decimal System in the Adult, Teen, and Children's non-fiction sections. Here are the Dewey numbers for some of the most popular non-fiction topics.
American History
973s
Art 700s
Autobiographies B
Automotive Manuals 629.287
Baby Names 929.44
Biographies B
Car Repair 629.287
Child Care 649
College Guides 378.73
Computers 004-005
Construction 690s
Cookbooks 641.5
Crafts 746
Decorating 747
Dieting 613.25
Dinosaurs 567.9
Encyclopedias 031-032
Fairy Tales 398.2
Finance 332
Foreign Languages 400s
Gardening 635
Genealogy 929.4
Health 610s
Home Business 658.041
Home Repair 643.7
Home Schooling 649.68
Humor 818
Interior Decorating 747
Internet 004.67
Investing 332
Montana History 978.6
Mythology 291-292
Native Americans 970.1-970.5
New Age 133s
Painting 751
Parenting 649
Pets 636
Plants 635
Plays 812 & 822
Poetry 811 & 821
Religion 200s
Remodeling 643.7
Resumes 650.14
Science Projects 507.2
Self-Help 158.1
Shakespeare 822.3
Travel Guides 910s
True Crime 364.1
Western History 978s
World War II 940.54