In The Time of His Life, the sequel to In the Nick of Time, Andy Mackpeace, on a class trip to the New Hampshire Historical Society, hears a dead boy calling to him from an old photograph of Camp Forest Hills taken in 1925: "Who killed me? I was murdered here." Andy and his friend Miranda, once again using the incense sticks bequeathed by his grandmother, time travel back to the camp to solve the mystery. Andy becomes a camper while Miranda lands in the kitchen as one of the hired help. Unprepared for the evil that stalks there, the two travelers must race against time to discover the killer and put a ghost to rest.