Rod Theodorou <br/><br/>
I wonder why:  triceratops had horns/ 
Rod Theodorou 
 - Danbury Connecticut  Grolier  1994 
 - 32 pages;  illustrations  28 cm 
<br/><br/> Includes index 
<br/><br/><label>ISBN: </label>9780753405215 
<br/><br/><label>Dewey Class. No.: </label>567.91  / T34