The Monty Hall Problem: The Remarkable Story of Math's Most Contentious Brain Teaser by Jason Rosenhouse (almost new): $15
http://www.amazon.com/Monty-Hall-Problem-Remarkable-Contentious/dp/0195367898/ref=sr_1_1?s=books&ie=UTF8&qid=1342481956&sr=1-1&keywords=the+monty+hall+problem
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