Ensley, Douglas E. <br/><br/>
Discrete mathematics : mathematical reasoning and proof with puzzles, patterns, and games  mathematical reasoning and proof with puzzles, patterns, and games  
Douglas E. Ensley, J. Winston Crawley. 
 - Hoboken, NJ :  Wiley,  c2006. 
 - xii, 691 p. :  col. ill. ;  26 cm. 
<br/><br/><label>ISBN: </label>0471476021 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Logic, Symbolic and mathematical.<br/>Mathematical recreations.<br/>Computer science--Mathematics.
<br/><br/><label>Dewey Class. No.: </label>511/.1