Caine Black Knife - Book 3 of the Acts of Caine

Redemption casts a bloody shadowOn Overworld, Caine was an assassin without peer - a legendary killer known as the Blade of Tyshalle. Back on Earth, Caine was Hari Michaelson, an actor whose bloodthirsty adventures in the Overworld made him superstar. In his last adventure, Caine almost single-handedly defeated and exterminated the fiercest of all tribes: the Black Knives. But the shocking truth of what happened during that vicious battle has never been revealed .