These four books are a great collection for your little naturist.  Included are the following books:

• Mammals
• Dinosaurs
• Reptiles and Amphibians
• Whales, Dolphins & Porpoises

Presented in an appealing, compact format, these guides provide at-a-glance information on subjects of enduring interest.  Whether you have recently become interested in a topic or are updating your reference library, this is this series to turn to.  Each book is 300+ pages and includes a guide to species, hundreds of pictures/illustrations and much, much more!