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"Despite its huge success, &amp;quot;The Da Vinci Code&amp;quot; was more than a one-hit wonder. In fact, it&amp;#039;s just one in a series of books starring the brilliant Robert Langdon. Take our quiz to see how much you know about Dan Brown&amp;#039;s thrilling series."^^<http://www.w3.org/2001/XMLSchema#string>
<http://entertainment.howstuffworks.com/arts/literature/robert-langdon-books-quiz11.htm>