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A Spanish-language encyclopedia, containing 15,000 articles, 6,500 photographs and more than 15,000 Internet links.
An online version of the Marshall Cavendish International Wildlife Encyclopedia. Find information about species from every branch of the animal family.
Find information about prehistoric and classical mythology as well as more contemporary myths from literature and popular culture.
A collection of electronic reference books covering many subject areas. Download chapters to your eReader or computer.
A Spanish-language encyclopedia intended for young readers and beginning students of Spanish.
Designed for students reading below grade-level, adult students developing their reading skills or students learning English. Features basic, accessible encyclopedia articles on a variety of topics.
A general encyclopedia containing all articles of the 22-volume print set, as well as pictures, maps, videos and research resources for students.
Contains World Book Online Reference Center's general encyclopedia, as well as a collection of Primary Sources, Pathfinders, Timelines and more.