Heroes Die - Book 1 of The Acts of Caine

Two worlds. One killer. Renowned throughout the land of Ankhana, the assassin Caine has killed his share of monarchs and commoners, villains and heroes. He is relentless, unstoppable, the best at what he does. At home in the real world, Caine is Hari Michaelson, a superstar whose adventures in Ankhana command an audience of billions. Yet he's shackled by a rigid caste society, bound to ignore the grim fact that he kills men on a far-off world for the entertainment of his own planet.
But now Michaelson has crossed the line. His estranged wife has disappeared in the slums of Ankhana. To save her, he must confront the greatest challenge of his life: a lethal game of cat and mouse with the most treacherous rulers of two worlds. Welcome to the world of Caine: Assassin. Hero. Superstar .