Levitt, Steven D. <br/><br/>
Think like a freak :  how to think smarter about almost everything / 
Steven D. Levitt, Stephen J. Dubner 
 - United Kingdom  Penguin Books,  2014 
 - xi, 268 p. :  ill. ;  18 cm. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>9780141980072 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Problem solving<br/>Cognitive psychology