EXCLUSIVE: Ben Affleck continues to build up his future dance card and looks to have found another possible directing job to add to his slate. Sources tell Deadline Disney is in development on a live-action film based on the bestselling book series Keeper of the Lost Cities by Shannon Messenger with Affleck attached to direct. He will also produce through his Pearl Street banner as well as adapt the script with Kate Gritmon. Madison Ainley will board as EP.