Guthrie, Jackie <br/><br/>
Improve your brain power :  400 games, puzzles, and teasers to unlock your mind/ 
Jackie Guthrie, Tim Preston 
 - 256 pages :  color illustrations ;  29 cm. 
<br/><br/> Includes math problems, word games, tests of logic, memory contests, riddles, anagrams, exercises in cryptography, crosswords, arrowords, code words, optical illusions, shape puzzles, word and sequence puzzles, and mazes. 
<br/><br/> Primary 
<br/><br/><label>ISBN: </label>0762104945 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles<br/>Games
<br/><br/><label>Dewey Class. No.: </label>796.73