Harry Potter is a magical fantasy novel series by JK Rowling. It tells the story of an orphan, Harry Potter, who discovers that he is a wizard on his 11th birthday and is taken to Hogwarts School of Witchcraft and Wizardry to study magic. At Hogwarts, Harry made three friends: Hermione Granger, Ron Weasley, and Professor McGonagall. Together, they had experienced many adventures, defeated the evil Dark Wizard Voldemort, and protected the Wizarding World from the dark forces. The Harry Potter series is divided into seven books, including Harry Potter and the Sorcerer's Stone, Harry Potter and the Chamber of Secrets, Harry Potter and the Prisoner of Azkaban, Harry Potter and the Goblet of Fire, Harry Potter and the Order of the Phoenix, Harry Potter and the Half-Blood Prince, and Harry Potter and the Deathly Hallows.