He's in some pretty heady company. Other members of the Kindle 1 Million Club? Stieg Larsson, James Patterson, Nora Roberts, Charlaine Harris, Lee Child, Suzanne Collins and Michael Connelly.
In a press release about his success, Locke said: “Kindle Direct Publishing has provided an opportunity for independent authors to compete on a level playing field with the giants of the book selling industry. Not only did KDP give me a chance, they helped at every turn. Quite simply, KDP is the greatest friend an author can have.”