There is a story about a wizard who lives on top of a hill, and odd things such as lighting flashes and colours in the sky happen all the time. Rosie has been dared to walk up a path to find out if there really is a Wizard's house. At the top, she finds a strange house, and living in the house is a man named Walker, who asks Rosie to help him get rid of the bad Time-Holes. But to do this, she must go through a time hole to visit Tullis, where she...