In this novel, Harvard professor of symbology Robert Langdon wakes up in an Italian hospital with no memory of the past thirty-six hours, including how a macabre object ended up in his possession. Alongside a resourceful doctor, Sienna Brooks, Langdon must flee from a relentless female assassin through Florence. Their journey involves unraveling a series of codes created by a brilliant scientist obsessed with the end of the world and Dante Alighieri’s “The Inferno.” Dan Brown combines classical Italian art, history, literature, and cutting-edge science in this captivating thriller.