RouseBall WW & HSM Coxeter <br/><br/>
Mathmatical Recreations & Essays 

 - 12th ed 
 - Toronto  University of toronto press  1974 
 - 428 p. 
<br/><br/><label>ISBN: </label>0802061389 
<br/><br/><label>Dewey Class. No.: </label>793.74