Melvil Dewey (1851-1931) An american librarian and educator. The inventor of the “Dewey Decimal System;” a library classification system. This is how we find books in the library. The Dewey Decimal System organizes information into 10 broad areas: ● 000 General Knowledge ● Almanacs, Encyclopedias, Libraries, Museums, Newspapers ... ● 100 Psychology and Philosophy ● Death & Dying, Ethics, Feelings, Logic, Making Friends, Optical Illusions, Superstitions ... ● 200 Religions and Mythology ● Amish, Bible Stories, Buddhism, Christianity, Judaism, Islam, Quakers, and other world religions; Greek, Roman and other myths... ● 300 Social Sciences and Folklore ● Careers, Customs, Environment, Families, Folktales, Government, Manners, Money, Recycling ... ● 400 Languages and Grammar ● Chinese, English, French, German, Italian, Japanese, Sign Language, Spanish. Includes dictionaries... ● 500 Math and Science ● Animals, Biology, Chemistry, Dinosaurs, Fish, Geology, Insects, Physics, Planets, Plants ... ● 600 Medicine and Technology ● Computers, Cookbooks, Engineering, Farming, Health, Human Body, Inventions, Manufacturing, Nutrition ... ● 700 Arts and Recreation ● Architecture, Crafts, Drawing, Games, Jokes, Movies, Music, Puppets, Songbooks, Sports ... ● 800 Literature ● Children's Literature, Plays, Poetry, Shakespeare, Writing ... ● 900 Geography and History ● Biographies, Countries, Native Americans, States, Travel, Wars ...