"A 22-volume, highly illustrated, A-Z general encyclopedia for all ages, featuring sections on how to use World Book, other research aids, pronunciation key, a student guide to better writing, speaking, and research skills, and comprehensive index"--

"A 13-volume,illustrated, A-Z general reference encyclopedia for students with high interest, low reading levels, providing traditional features of adult reference works, plus activities, atlas of world maps, special articles, and cumulative index"--Provided by publisher.

"A 7-volume illustrated, alphabetically arranged set that presents profiles of individual nations and other political/geographical units, including an overview of history, geography, economy, people, culture, and government of each. Includes a history of the settlement of each world region based on archaeological findings; a cumulative index; and Web resources" -- provided by publisher.

Presents articles that cover a wide variety of topics, including the arts, the sciences, religion, geography, and animals.

For lovers of facts, students of popular culture, history buffs, and science enthusiasts, the fascinating stories behind 500 everyday items, expressions, and customs from Kleenex to steak sauce, Barbie Dolls to honeymoons.

"Look inside a volcano, plant your own desert, step inside a forest, go space walking, search for special words, read the stories and legends, answer the quiz questions"--Cover.

"Imagine life in ancient Greece, step inside a medieval castle, visit lands of ice and snow, discover music, art and theater, search for special words, read the stories and legends, answer the quiz questions"--Cover.