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. Find the key. Put it back. Get rid of the ghost. It’s supposed to be simple…it’s not. 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 and why they’re used. For another, he’s great