In the book Harry Potter 3 Harry is once again on another adventure in hogwarts. It starts off with him at his uncles house once again for another summer. At this time he is sneaking studying magic and writing up his summer assignment at night. If he was to get got he would get in major trouble since they dont allow him doing magic at home. Aunt Marge comes to town and harry made a compromise with vernon that if no "funny business" he was allowed to go to the hogsmeade trip with Ron and Hermione.