Harry Potter is a series of seven fantasy novels written by British author J. K. Rowling. The series, named after the title character, tell the adventures of a young wizard, Harry Potter, and his friends who are students at Hogwarts School of Witchcraft and Wizardry.
The main plot concerns Harry's quest to overcome the Dark wizard Lord Voldemort, who wants to become immortal, subjugate non-magical people, and destroy all those who stand in his way.
The seven books in the series are Harry Potter and the Philosopher'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.
Since the release of the first novel on June 30, 1997, the books have been immensely popular and a commercial success worldwide. As of 2011, the book series has sold about 450 million copies, making it the best-selling book series in history, and it has been translated into 67 languages.
There have been several adaptations of the novels in other media, including motion pictures.