This was a good book. It starts out with Harry getting expelled from Hogwarts because he used magic outside of school while he in underage. As a result he has to meet with the Magic of Ministry to plead his case. When Harry returns to Hogwarts there is a new system at Hogwarts along with a new Defense against th eDark arts teaxher (no surprises there). Dolores Umbridge refuses to teach the students spells to protect themselves so Hermoine convinces Harry to teach any student that is interested, they call themselves Dumbledores Army. There are good scenes in this book, the only thing I hate is that Sirius gets murdered.