It is the P.A.W.S. Institute of the Midwest's turn to host Rhyfedd, an ancient puzzle hunt that brings students from all the around the globe to compete in a battle of wits.. But once the hunt has started, it is clear that someone is meddling, but who? And what is the connection between the strange puzzles and the charm worn by Doris, the animagus dormouse from New York? And how does the mysterious Cazique fit into this? It is all rather...