Harry Potter and the Order of the Phoenix is by J.K. Rowling. The fifth book in the Harry Potter series. Professor Umbridge takes over Defense of the Dark Arts and eventually the whole school and Dumbledore is pushed out. Harry and his friends start Dumbledore's Army to teach willing students Defense Against the Dark Arts which they soon need as Voldemort returns with a vengeance. If you are a fan of this series you will enjoy this one as well.
Ratings: 7th grade - 5 out of 10.