Experience an underwater adventure! From sea dragons and octopuses to coral reefs and kelp forests, Undersea Encounters take young readers to the ocean depths l

Presents full-color photographs and illustrations of a wide variety of whales, dolphins, and other marine mammals around the world; and contains information on

"An illustrated glossary of terms and an index of species names complete the guide. Illustrations, photographs, and clearly written text combine to make this an

This is a complete field guide to the world's marine mammals. It covers the field identification - including geographical, sex and age variations - of all the w