(3) K-3 Natural World series. This comprehensive book takes a close look at its animal subject, focusing on Nile crocodiles to discuss the physical attributes, life cycle, mating and social behaviors, habitat, and diet of the species. Also explored are the environmental threats crocodiles face and the conservation efforts being made to help them. Large, well-captioned photographs and instructive diagrams and sidebars round out this visually appealing volume. Bib., glos., ind.

Reviewer: Erica L. Stahler

(3) 4-6 Closer Look At series. The authors provide concise information about the causes of volcanoes and earthquakes, the geologists who study them, historical events, and both the benefits and hazards of the phenomena. Each book, while explaining many examples, favors recent American events to illustrate scientific concepts. Color diagrams are detailed and accurate, though a bit small, as are the photographs. Glos., ind.

Reviewer: The Horn Book, Inc.