Tree Frogs Author:National Geographic Society Tree frogs are some of nature's most colorful acrobats. In this book, kids get a close-up look at these amazing amphibians. Young readers will see how their sticky toes help the tiny frogs grip as they leap from branch to branch. They'll watch as a frog uses its balloon-like throat sac to croak out a message. And they'll marvel at how a frog can... more » blend into its environment and practically disappear! A back-cover activity demonstrates the wide variety and range of tree frogs, whose habitat circles the globe.« less