The 'Harry Potter' series is a globally popular fantasy franchise created by British author J.K. Rowling. It chronicles the adventures of a young wizard, Harry Potter, and his friends at the Hogwarts School of Witchcraft and Wizardry. The series explores themes of friendship, courage, and the battle between good and evil. Though originally published as a book series, it has been adapted into a successful film series, among other media. It first debuted as a book in 1997.