Wollard, Kathy <br/><br/>
How Come Planet Earth 

 - New York, USA  Workman Publishing Company, Inc.  1999 
<br/><br/> Answers to approximately 125 of kids' science questions about people, animals, and the natural world, such as why cats purr and why our fingers wrinkle in water. 
<br/><br/><label>ISBN: </label>0-7611-1239-1 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adult Nonfiction
<br/><br/><label>Dewey Class. No.: </label>AN 500 WOL