The Puzzle master / 

 - Alexandria, Va. :  Time-Life Books,  [c1988] 
 - 128 p. :  col. ill. ;  29 cm. 
 - Understanding computers .
<br/><br/> Includes index. 
<br/><br/>Bibliography: p. 122-124. 
<br/><br/><label>ISBN: </label>0809457415 0809457423 (lib. bdg.) 
<br/><br/><label>LCCN: </label>88020080  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Computers--History.
<br/><br/><label>LC Class. No.: </label>QA76.17  / .P89 1988 
<br/><br/><label>Dewey Class. No.: </label>004/.09