World Book Web (all full-text; XLinks) includes World Book Dictionary, World Book Atlas, World Book Advanced, World Book Kids, and Enciclopedia Estudiantil Hallazgos. This suite of online research tools delivers encyclopedia articles, primary source collections, educator tools, student activities, pictures, tabular data, research guides, maps, audio and video, as well as encyclopedia articles, special reports, back-in-time articles, periodical articles and related Web sites. Special features include Explore Ohio, Feature of the Month, Behind the Headlines, Surf the Ages, Today in History, and Media Showcase. Educator's Tools includes Ohio Content Standards, Lesson Plan Links, and Professional Links. It is produced by and the user interface is provided by World Book, Inc.