The author of the celebrated Harry Potter series, J. K. Rowling is one of the world's most successful authors. Her books have created a fantastic world — filled with wizards and muggles — that has completely revitalized a love of reading in both kids and adults. In addition to books, the Harry Potter series includes the play Harry Potter and the Cursed Child, which debuted on the London stage to a sold-out audience. Rowling has also published the novel A Casual Vacancy and several books in the Cormoran Strike series under the pen name Robert Galbraith.