Claim: J.K. Rowling is the author of the Harry Potter novel series that began in 1997 with Harry Potter and the Philosopher's Stone.
Evidence: Harry Potter and the Deathly Hallows is the seventh and final novel of the Harry Potter series , written by British author J. K. Rowling.
Harry Potter is a series of fantasy novels written by British author J. K. Rowling.
Since the release of the first novel , Harry Potter and the Philosopher 's Stone , on 26 June 1997 , the books have found immense popularity , critical acclaim and commercial success worldwide.