What many books are there in the Harry Potter series?

Explanation

Harry Potter is the title of a number of booked by the English author J. K. Rowling. The story revolves around Harry James Potter, who is a wizard, and his school days at Hogwarts. J. K. Rowling has written seven Harry Potter books: 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. All of the books have since been adapted to film.