Find books by JK Rowling and disappear into a beautiful world of wizards, muggles and magical creatures. Most people are familiar with the Harry Potter series, but not everyone realizes that author J. K. Rowling also writes novels under pen names like Robert Galbraith or that she has collaborated on Harry Potter spinoffs with other writers. Click on any of the books below for more information about the book and an option for purchasing the book in print or e-book versions. An Audible book option may be available for some books also. The following selections include affiliate links.