When Vayentha, an assassin, shows up in the hospital and kills one of the doctors, while attempting to kill Langdon, Brooks helps Langdon escape, and they flee to her apartment. Sienna Brooks, one of the doctors tending to him, reveals that he is suffering from amnesia and hearing a woman's voice repeatedly saying 'seek and find'. Harvard symbolism professor Robert Langdon wakes up in a hospital in Florence, Italy with a head wound and no memory of the last few days. A film adaptation was released in the United States on October 28, 2016. It was number one on the New York Times Best Seller list for hardcover fiction and Combined Print & E-book fiction for the first eleven weeks of its release, and also remained on the list of E-book fiction for the first seventeen weeks of its release. The book was published on May 14, 2013, ten years after publication of The Da Vinci Code (2003), by Doubleday. 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.
