Theodorou, Rod <br/><br/>
I wonder why triceratops had horns and other questions about dinosaurs 

 - London   Kingfisher Publications Plc.  2006 
 - 32 
 - I Wonder Why .
<br/><br/>
<br/><br/><label>ISBN: </label>1856971899 9781856971898 0753405210 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Children's encyclopedias and dictionaries.
<br/><br/><label>Dewey Class. No.: </label>Ref 031 T3427 2006