Best-selling US author James Frey is offering his readers a whole new way to immerse themselves in his new book.
'Endgame: The Calling' is an interactive book, it’s about fictional key and puzzle solving. But the book also offers the reader to do some solving for themselves.
A separate puzzle has been set up within the book for the readers to solve, with a grand prize.
In order to solve the books hidden mystery, the reader will have to use many online platforms such as Google and social media, which will lead them to a key.
The key opens a safe in a casino in Las Vegas, winning the lucky reader half a million dollars worth of gold coins.
The Author James Frey explains how it all works and how the prize came out of his pocket.