In this Nov. 27, 2012 photo Marquette University professor Tim Machan teaches 

In this Nov. 27, 2012 photo Marquette University professor Tim Machan teaches a class on J.R.R. Tolkien that focuses on all of his books, books that influenced Tolkien and other tidbits about the writer. When "The Hobbit" movie opens Friday, the 32 students in the class will be nearly experts on J.R.R. Tolkien. (AP Photo/Carrie Antlfinger)
Associated Press
In this Nov. 27, 2012 photo Marquette University professor Tim Machan teaches a class on J.R.R. Tolkien that focuses on all of his books, books that influenced Tolkien and other tidbits about the writer. When "The Hobbit" movie opens Friday, the 32 students in the class will be nearly experts on J.R.R. Tolkien. (AP Photo/Carrie Antlfinger)
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