X Marks the Haunt

From the #1 New York Times bestselling author of The Mystery of Locked Rooms, when a centuries old crypt key is lost-unleashing a dark force-it's up to the son of the local crypt keeper to end the haunting for good.

"Follow the clues to X Marks the Haunt for aspookily good mystery!"-Alan Gratz, #1 New York Times bestselling author of Heroes

Thanks to his mother's job at a local graveyard, twelve-year-old Will Stone has some unique talents. For one, he knows exactly how a burial vault works a...