Miles, Elizabeth. <br/><br/>
Why do animals have wings, fins and flippers / 
by Elizabeth Miles. 
 - London :  Heinemann Library,  2002. 
 - 32 p. :  ill., col ;  23 cm. 
 - Heinemann first library .
 - Heinemann first library .
<br/><br/> Includes glossary and index. 
<br/><br/><label>ISBN: </label>0431153248 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fins.<br/>Skeleton--Animals.<br/>Wings.