Harry Potter and The Half - Blooded Prince

Harry Potter and The Half - Blooded Prince is a sequel to Harry Potter and The Order of Phoenix, where Harry Potter enters his sixth year at Hogwarts School of Witchcraft. Harry discovers a book marked mysteriously "This book is the property of the Half-Blood Prince". With this book Harry excel at Potions which teaches him a few dangerous and dark ones. At the same time Harry takes private lessons with Dumbledore, so that he can find out about Voldemort's only weakness. The movie is the highest-grossing film of year 2009.