Because on top of it all, there may be a traitor in their midst. Joanne Rowling CH OBE FRSL (born 31 July 1965), best known by her pen name J. Rowling, is a British author and philanthropist. She wrote Harry Potter, a seven-volume children's fantasy series published from 1997 to 2007.
The Casual Vacancy (2012) was her first novel for adults. She writes Cormoran Strike, an ongoing crime fiction series, under the alias Robert Galbraith.Rowling's Harry Potter series has won awards for general literature, children's literature and speculative fiction. It has earned multiple British Book Awards, beginning with the Children's Book of the Year for the first two volumes, Philosopher's Stone and Chamber of Secrets. Rowling was appointed Officer of the Order of the British Empire (OBE) in the 2000 Birthday Honours for services to children's literature, and three years later received Spain's Prince of Asturias Award for Concord.
Following the conclusion of the Harry Potter series, she won the Outstanding Achievement prize at the 2008 British Book Awards. The above text was taken from, respectively, A.Levine publishing (via Google Books) and Wikipedia. Harry Potter and the Prisoner of Azkaban.