A high-speed DEBUT thriller about the world's best assassin, known only by a number, who is tasked with finding and killing his predecessor, the 16th, perfect for fans of Lee Child's Jack Reacher and Mark Greaney's Gray Man series. He is a hitman, the best in the world, called “17” because there were 16 before him, stretching back through time to the Romanovs. Every government organization in the world wants his services and every other high-level hitman has placed a target on his back. Because to be the best, you have to beat the best. Then "17" is ordered to find and kill his predecessor, who retired early and went off the grid. But the hit goes wrong and hunter turns to hunted.