This document provides an overview of the nonfiction section of the Stevenson Middle School Library. It introduces the Dewey Decimal System used to organize the collection into 10 main categories ranging from 000 Generalities to 900 Geography and History. Examples are given of the types of books that can be found under each category, such as books about elephants in 500 Natural Science and Mathematics or cookbooks in 600 Technology. Students are encouraged to ask for help locating materials.