The Monster of Florence   by, Douglas Preston , Mario Spezi  Actor George Clooney will star in an adaptation of Douglas Preston and Mario Spezi‘s nonfiction book, The Monster of Florence. Valkyrie screenwriters Christopher McQuarrie and Nathan Alexander will team up to work on the script.

Grand Central Publishing released the nonfiction book in 2008. According to The Hollywood ReporterTom Cruise was originally slated to star in the movie–Cruise recruited McQuarrie for the project.

Here’s more about the book: “Preston and Spezi’s book is an investigation into the murderer (or murderers) known as Il Mostro, who killed more than a dozen people from the late 1960s to the mid-1980s without being caught. In the course of their digging, Preston, who had moved with his family to a villa in Florence, and Spezi, an Italian crime journalist, were themselves then investigated by the police.”