World Book Student

Articles of the World Book Encyclopedia, a Biography Center, dictionary, atlas and much more.

World Book Spanish Edition

Thousands of articles, illustrations and maps for younger students.

World Book Kids' Encyclopedia

Thousands of articles, images and illustrations, teacher resources and more.

World Book Hispánica Saber

Articles, images and maps, videos and more for native Spanish speakers.

World Book Advanced

Includes encyclopedia, multimedia, eBook and primary source databases via a single search.

Reference USA

Access millions of U.S. residential and business phone numbers and addresses.


Get information on countries worldwide - history, customs, recipes, and more.

Associations Unlimited

Find trade and professional organizations in this comprehensive directory.