Gr 3-6-Introductory titles that explore the natural world. In two-page chapters, these books provide basic information on fossils and shells and identify the different types of natural waste produced in the world. Of the three, Waste offers the most new information. Its discussions of how leaf litter, dead wood, and animal castoffs are used in nature will interest children. Each book includes suggested activities and a short list of common and scientific names for plant and animal species. Full-color, attractive photographs and drawings are found throughout the volumes. Consider Fossils and Shells additional since other titles on these subjects are more comprehensive. Waste, however, does offer a different perspective on recycling.-Marion F. Gallivan, Gannon University, Erie, PA Copyright 2000 Cahners Business Information.