The second book in this middle grade serie, starring Charlie McGuffin, the boy who changes into animals when he gets nervous. When dad's business takes a sudden turn for the worse, the McGuffin family face the terrible prospect of having to sell their house and move in with Aunt Brenda and her seventeen cats (and wooden leg). Only Charlie and best friends can save the day. 7+ For fans of Roald Dahl and David Walliams.