5-time novelist. iTunes Top 50 Podcaster. Writer for Forbes.
NEW BOOK: THE WARRIOR WITHIN
Greyson has always felt like a nobody, despite being a decorated rock climber and standout student.
At least, until he is invited to join the NINJAs for a summer camp that changes everything he thought he knew.
Greyson isn't just learning from the NINJAs... he's protecting the world from a dark, ancient force