Keep your mind fit : logic puzzles 

 - London  Carlton Books  2010 
 - 176 p 
<br/><br/><label>ISBN: </label>9781847325228 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles
<br/><br/><label>Dewey Class. No.: </label>793.73 CAR