Filipiak, Anthony S. <br/><br/>
Mathematical puzzles and other brain twisters/ 
S. Anthony Filipiak 
 - New York:  A.S. Barnes,  1969 
 - viii, 120 p.:  ill.;  22 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations<br/>Magic squares<br/>Puzzles<br/>Scientific recreations
<br/><br/><label>Dewey Class. No.: </label>793.74