Jacobs, Pat <br/><br/>
I wonder why penguins can't fly :  and other questions about polar lands / 
by Pat Jacobs. 
 - New York, NY :  Kingfisher,  2011. 
 - 32 p. 
 - I Wonder Why .
<br/><br/><label>ISBN: </label>978-0-7534-6530-1