Do Whales Have Belly Buttons?

By: Gilda Berger|Melvin Berger|Melvin Gerber, 

Age: 4+  | Published by: Higgins Bond

ISBN: 9780590130813

Provides answers to such questions about various species of whales and dolphins as "Do all whales have teeth?", "How long do most whales live?", "Why do dolphins whistle?", and "Can dolphins save humans?"