SCIENCE
Hirschi, Ron

Our Three Bears

(3) K-3 Photographs by Thomas D. Mangelsen. This introduction to North America's black, grizzly, and polar bears features excellent photographs that, though uncaptioned, illustrate the book effectively. The text is segmented into "The Bear Facts," which offer straight information about the subject, and other sections that expand on the information, such as the danger posed to bears by loss of habitat. An author's note is appended. Reading list, websites. Ind.

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