Harry Potter - The seven-part Harry Potter series of fantasy novels was written by English author J. K. Rowling about an adolescent boy wizard named Harry Potter and his best friends Ron Weasley and Hermione Granger. The story is mostly set at Hogwarts School of Witchcraft and Wizardry, a school for young wizards and witches, and focuses on Harry Potter's fight against the evil wizard Lord Voldemort, who killed Harry's parents as part of his plan to take over the wizarding world.