soul music READING MIN

Soul music was written by terry Pratchett. This book is actually many story's that seem difficult to follow. the first story starts with the school principal is nervously looking through papers of a girl who she saw a a bit strange. All of the sudden the girl is in the room. this girl, Susan, has a enact for making herself "seem" invisible. Her teachers say shes always in class but they never see her. Eeveryone is confused by this strange girl who's parents just died. And something needs to change.