15 highest-paid authors of 2012

Here's the annual Forbes ranking of the 15 top-grossing authors in the book industry. Can you guess who's No. 1?

12. George R.R. Martin

Jordan Strauss/Invision/AP

Martin's "Game of Thrones" – the first book of "Song of Ice and Fire" series – was adapted into a hit HBO series that began in 2011 and is still running. The book series still has two installments to go, according to the writer. Forbes estimated Martin earned $15 million this year.

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