These books explore the formation and diversity of soil types and the various forms of life found in soil. Each 32-page book is filled with amazing color photographs and an informative, engaging text. This series provides engaging reading for young explorers in grades 3-5, expecially those who have access to school or home gardens. Titles in this series include: Microlife in Soil, Different Kinds of Soil, and How is Soil Made? Discount pricing also offered when purchasing the set.