Phillips, Charles <br/><br/>
How to think 50 puzzles for logical thinking / 
Charles Phillips 
 - Chennai:  Emerald Pub.,  2009 
 - 88 p.:  ill.;  18 cm. 
<br/><br/><label>ISBN: </label>9788179662779  RS.60.00 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Puzzles<br/>Mathematical recreations<br/>Maze puzzles<br/>Picture puzzles
<br/><br/><label>Dewey Class. No.: </label>793.73