The Juvenile Collection easy readers, picture books, fiction, and non-fiction use the Dewey Decimal classification system, which is also used by most primary schools and public libraries.
Outline of Dewey Decimal System Subjects:
000 – Computer science, information & general works
100 – Philosophy and psychology
200 – Religion
300 – Social sciences
400 – Language
500 – Science
600 – Technology
700 – Arts and recreation
800 – Literature
900 – History, geography, and biography
