Bumper book of codewords : packed with puzzle fun 

 - London:  Arcturus Publishing,  2010 
 - 384 p. ; 19 cm. 
<br/><br/><label>ISBN: </label>9781848375697 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>Dewey Class. No.: </label>793.732 ARC