Beiler, Albert H. <br/><br/>
Recreations in the theory of numbers;  the queen of mathematics entertains.- 2nd ed. 
by Albert H. Beiler. 
 - 2nd ed. 
 - New York,  Dover Publications  [1966] 
 - xvi, 349 p.  illus. 
<br/><br/><label>Subjects--Index Terms: </label>Mathematical Recreations  Number theory 
<br/><br/><label>Universal Decimal Class. No.: </label>51-8  / BEI