Which writter is known to have wrote Harry Potter, Mary Gordon or J. K. Rowling?
J. K. Rowling Joanne Rowling, {'1': ", '2': ", '3': ", '4': "} ( ; born 31 July 1965), who writes under the pen names J. K. Rowling and Robert Galbraith, is a British novelist and screenwriter who wrote the "Harry Potter" fantasy series. The books have won multiple awards, and sold more than 400 million copies. They have become the best-selling book series in history and been the basis for a series of films, over which Rowling had overall approval on the scripts and was a producer on the final films in the series.
Mary Grannan Mary Evelyn Grannan (11 February 1900 – 3 January 1975) was a Canadian children's writer and radio personality. She wrote and performed in programs for children on CBC radio and CBC television between 1938 and 1962. Stories broadcast on her radio and television programs "Just Mary" and "Maggie Muggins" were published in a series of popular books.