Learn how animals adapt to their environments.

With more than 500 species described and more than 400 illustrations, this guide provides quick and easy visual identification of fishes, mollusks, sponges, shr

"This book with its easy-to-follow chapter "Learning to Snorkel" is ideal for the novice on the coral reef. It is also an invaluable resource for the more exper

Explains different animal shapes and why their shape is important for survival.