Harry Potter is due to start his fifth year at Hogwarts School of Witchcraft and Wizardry. He is desperate to get back to school and find out why his friends Ron and Hermione have been so secretive all summer. However, what Harry is about to discover in his new year at Hogwarts will turn his world upside down ... This is a gripping and electrifying new novel, full of suspense, secrets, and - of course - magic, from the incomparable J.K.Rowling.