Based on World Book's award-winning Discovery Encyclopedia , World Book Kids is designed to give younger students a rewarding online learning experience while teaching

important early research skills. * For students 4-9 years old

The articles of the venerable World Book Encyclopedia form the of an expansive reference that includes more than 40,000 reference articles, a robust multimedia library, and correlations to

curriculum standards. * For students 9-18 years old

World Book Advanced is a powerful reference tool that includes encyclopedic multimedia, e-book, and primary source databases, fully integrated in a single search. In addition, individual accounts allow users to

create and save their work. * For students 14-20+ years old