A pocket-size, brilliantly colorful, simple-to-use guide to bats, containing dozens of full-color photographs that enable readers of all ages to identify the mo

A pocket-size, brilliantly colorful, simple-to-use guide to dragonflies, containing dozens of full-color photographs that enable readers of all ages to identify

A guide to the forty-seven species of bats found in United States and Canada, including overview of classification, biology, feeding behavior, habitats, migrati