Encyclopedias

Search World Book Encyclopedia articles, a Biography Center, dictionary, atlas and much more.

Designed for grades 1 through 4 featuring thousands of articles, images & illustrations, teacher resources, and more

Contains three learning environments for young learners in early elementary grades.

The classic homework tool is for searching on a variety of topics, including articles, audio clips, video clips, images, and timelines. Includes links for the Spanish and French versions of World Book.

Provides collections of in-depth, up-to-date trustworthy research on an ever-growing range of topics, including the humanities, social sciences, and science.