Five Go To Mystery Moor is the thirteenth book in Enid Blyton's Famous Five series. The children are spending their holidays near a mysterious, desolate moor, which is rumored to be haunted. They soon discover that the "haunting" is related to a dangerous conspiracy involving smuggling or secret signals. They meet a boy named Yan and his circus animals, who help them explore the moor and unravel the complex puzzle.
