10 Best-Selling Authors with Pen Names

Still buzzing in the news is the leaked tweet revealing that J.K. Rowling had used the pen name Robert Galbraith as the author of her new crime novel, The Cuckoo's Calling. News reporters and the public at large reacted with both shock and intrigue at her using a fictitious name. The big question is, Why? This has stirred up discussions in the literary world on the subject of pen names.