Morris, Margery <br/><br/>
How man became 
Margery Morris ; illustrations by Michael Spink 
 - Harmondsworth  Penguin Books  1972 
 - 48 p. : ill. ; 23 cm 
<br/><br/> Includes index 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Evolution--Juvenile literature