Petty, Kate <br/><br/>
Whales song :  and other amazing facts about sea mammals / 
by Kate Petty ; illustrated by Darren Harvey and Jo Moore. 
 - 1st ed. 
 - Brookfiels, DT :  The Millbrook Press,  1998. 
 - 32p. 
 - I didn't know .
<br/><br/><label>ISBN: </label>0761307389 
<br/><br/><label>LCCN: </label>986804 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Whales.<br/>Dolphins.