The library is organized by the Dewey system. First you go to the area that interest you like science and math. After that you take a look at the subcategories to find exactly what you are looking for like 520 Stars, Planets and Astronomy. To find your favourite Dewey number please follow this link: http://www.cf.k12.wi.us/library/deweydecimal.htm

Dewey Decimal Classification System

000 Generalities

100 Philosophy

200 Religion

300 Social Sciences

400 Languages

500 Science and Math

600 People Using Science and Technology

700 Arts and Recreation

800 Literature

900 Geography and History