Callahan, Philip S. <br/><br/>
Insects and how they function / 
Philip S. Callahan. 
 - New York :  Holiday House,  c1971. 
 - 191 p. :  ill. 
<br/><br/><label>ISBN: </label>0823401812 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Insects.