Gardner, Martin <br/><br/>
aha!Gotcha: paradoxes to puzzle and delight / 
Martin Gardner 
 - New York :  W.H. Freeman and Company,  1982 
 - vii, 164 p. :  ill. ;  24 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0716713616 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Mathematical recreations<br/>Paradox