Stivens, Dal,  1911- <br/><br/>
The incredible egg / 
Dal Stivens ; illustrared by Bob Hines 
 - New York :  Weybright and Talley,  1974 
 - vii, 373 p. :  ill. ;  22 cm. 
<br/><br/><label>ISBN: </label>0679400494 
<br/><br/><label>LCCN: </label>73-079961 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution<br/>Sexual behavior in animals<br/>Eggs