Stickels, Terry <br/><br/>
Are you as smart as you think? :  150 original mathematical, logical and spatial-visual puzzles for all levels of puzzle solvers / 
Terry Stickels; with a foreword by Will Shortz 
 - 1st ed. 
 - New York :  Thomas Dunne Books / St. Martin's Griffin,  2000 
 - x, 111 p. :  ill. ;  23 cm. 
<br/><br/><label>ISBN: </label>0312209118  RM54.90 
<br/><br/><label>LCCN: </label>99-088900 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations