"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 discussion of major types of natural disasters, including descriptions of some of the most destructive; explanations of these phenomena, what causes them, and where they occur; and information about how to prepare for and survive these forces of nature. Features include an activity, glossary, list of resources, and index"--Provided by publisher.

Provides information about the physical characteristics, habits, and behavior of beavers and such related rodents as flying squirrels, pocket gophers, mice, and lemmings.

Questions and answers explore the world of marsupials, animals with pouches, with an emphasis on the kangaroo.