Bridwell, Norman. <br/><br/>
Clifford's riddles / 
[by] Norman Bridwell. 
 - New York :  Scholastic,  1974. 
 - unp. :  ill. 
<br/><br/><label>ISBN: </label>0590333615 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Riddles.
<br/><br/><label>Dewey Class. No.: </label>808.87