Harry Potter her publishers to adopt a more gender-neutral pen name in order to appeal to the male members of this age group, fearing that they would not be interested in reading a novel they knew to be written by a woman. She elected to use J. K. Rowling (Joanne Kathleen Rowling), using her grandmother's name as her second name because she has no middle name. "Harry Potter and the Philosopher's Stone" was published by Bloomsbury, the publisher of all "Harry Potter" books in the United Kingdom, on 26 June 1997. It was released in the United States on 1 September 1998
J. K. Rowling release of "Goblet of Fire" and the fifth "Harry Potter" novel, "Harry Potter and the Order of the Phoenix". This gap led to press speculation that Rowling had developed writer's block, speculations she denied. Rowling later said that writing the book was a chore, that it could have been shorter, and that she ran out of time and energy as she tried to finish it. The sixth book, "Harry Potter and the Half-Blood Prince", was released on 16 July 2005. It too broke all sales records, selling nine million copies in its first 24 hours of release. In 2006, "Half-Blood