The Penguin book of the natural world 
edited by Elizabeth Martin 
 - England:  Penguin Books,  1976. 
 - various pages 
<br/><br/> PB 
<br/><br/><br/>Eng 
<br/><br/><label>ISBN: </label>0140037144 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Biology
<br/><br/><label>Dewey Class. No.: </label>500.1  / PEN