Inferno is a 2013 mystery thriller novel by American author Dan Brown and the fourth book in his Robert Langdon series, following Angels & Demons, The Da Vinci Code and The Lost Symbol. The book was published on May 14, 2013, ten years after publication of The Da Vinci Code, by Doubleday.
Originally published: May 14, 2013
Pages: 609 pages
Adaptations: Inferno (2016)
Genres: Thriller, Mystery, Detective fiction, Conspiracy fiction