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Inferno is a 2013 thriller novel by American writer Dan Brown and the fourth book in his Robert Langdon series. The book is set to release on May 14, 2013 by Doubleday.
Summary
The book follows Robert Langdon as he travels to Italy and gets drawn into a mystery surrounding Dante'sInferno.
Marketing
Brown released the book's title on his website on January 15, 2013, after prompting readers to help "reveal" a digital mosaic using social media posts.