Mitton, Tony. <br/><br/>
A door to secrets :  riddles in rhyme / 
by Tony Mitton. 
 - Cambridge :  Cambridge University Press,  1998. 
 - 48 p. :  ill ;  25 cm. 
<br/><br/><label>ISBN: </label>0521498414 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Fiction.