Dinks favorite mystery writer, Wallis Wallace, has invited Dink, Josh, and Ruth Rose for a sleepover--in a haunted castle! But as soon as the young detectives arrive, they start hearing screams behind the walls. Will they discover who--or what--is haunting Moose Manor? n nHelp Dink, Josh, and Ruth Rose solve mysteries from A to Z n n Kids love collecting the entire alphabet and super editions With over 8 million copies in print, the A to Z Mysteries(R) have been hooking chapter book readers on mysteries and reading for years. Now this classic kid favorite is back with a bright new look n n D is for Dungeon . . . Get ready for a sleepover--in a castle Soon after the kids arrive at Moose Manor in Maine, they hear strange sounds behind the walls. Does this castle have a hidden dungeon? And could it be haunted? Dink, Josh, and Ruth Rose are dying to find out n