The weirder this mystery gets, " said Grace, "the more determined I am to solve it ..."Newly qualified warden Grace Griffin couldn't be more excited about using the Griffin map to teleport through Moreland fighting crime. But her first mission is proving to be a bit of a puzzle.A series of bizarre thefts have been happening all over the country, and the only link between them is the sighting of a peculiar bird at the scene of each robbery.When the clues finally lead to a ramshackle castle on a lonely island, Grace might find more than just a thief ...