Guthrie, Jackie. <br/><br/>
Improve your brain power:  400 games, puzzles, and teasers to unlock your mind/ 
Jackie Guthrie and Tim Preston. 
 - Pleasantville, N.Y.:  Reader's Digest Association,  2005. 
 - 256 p.:  ill. (some col.)  30 cm. 
<br/><br/><label>ISBN: </label>0762104945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Games.<br/>Puzzles.