Harry Potter and the Deathly Hallows
Harry Potter and the Deathly Hallows (released on July 21, 2007) is the seventh novel in the Harry Potter series by J.K. Rowling. Harry is of age now and has to finish off Lord Voldemort. The Dark Lord now controls Hogwarts and appoints his henchman Snape as headmaster. Harry has to destroy all of the Dark Lord's Horcruxes (parts of his soul entombed in objects) and then kill the Dark Lord himself. He eventually comes to Hogwarts to find the second to last Horcrux he needs to destroy. In the end he sees Voldemort murder Snape and discovers that Snape was only pretending to support Voldemort and had actually secretly been on the anti-Voldemort side the whole time. Harry manages to kill Voldemort at the end of the book.
The novel was later made into two movies.