Berger, Melvin <br/><br/>
Do Whales Have Belly Buttons? 

 - New York. USA  Sandcastle  1999 
<br/><br/> Provides answers to such questions about various species of whales adn dolphins as " Do all whales have teeth?" " How long do most whales live?", " Why do dolphins whistle? " and " Can dolphins save humans?" 
<br/><br/><label>ISBN: </label>0-439-08571-3 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Juvenile Nonfiction
<br/><br/><label>Dewey Class. No.: </label>JN 599.5 BER