\ BooknewsIncludes all the species of boas from the Old and New Worlds, but emphasizes those that are most commonly kept either by zoos or individuals. Explains such factors as designing a herp room, heating devices and their application, housing, food and feeding, and reproduction. Provides color photographs of 60 species, and describes all species in sections on the place of origin. Annotation c. by Book News, Inc., Portland, Or.\ \