Comments: The series of Harry Potter books is written by J.K. Rowling, and chronicles the school-age years of young wizards and witches at Hogwarts school of Witchcraft and Wizardry. Beloved by millions the titles have sold over 200 million copies world wide. The first 5 books of the series have been brought to the big screen by Warner Bros. Entertainment, Inc. and stars Daniel Radcliffe, Emma Watson and Rupert Grint.Hagrid, a half-giant, is the Keeper of the Grounds and Keys at Hogwarts, a job he is considered good at. He lives in a single-room hut in the school grounds despite his promotion to the teaching staff.