In this gritty and innovative science fiction thriller in the vein of Philip K. Dick's Do Androids Dream of Electric Sheep?, turmoil on one of Saturn's moons rattles Earth's most powerful citizens--and draws one planet-hopping rogue into a fight he never saw coming. Malcolm Graves lives by two rules: finish the job, and get paid. After thirty years as a Collector, chasing bounties and extinguishing rebellions throughout the solar system, Malcolm does what he's told, takes what he's earned, and leaves the questions to someone else--especially when it comes to the affairs of offworlders. But his latest mission doesn't afford him that luxury. After a high-profile bombing on Earth, the men who sign Malcolm's paychecks are clamoring for answers. Before he can object, the corporation teams him up with a strange new partner who's more interested in statistics than instinct and ships them both off to Titan, the disputed moon where humans have been living for centuries. Their assignment is to hunt down a group of extremists: Titanborn dissidents who will go to any length to free their home from the tyranny of Earth. Heading into hostile territory, Malcolm will have to use everything he's learned to stay alive. But he soon realizes that the situation on the ground is much more complex than he anticipated . . . and much more personal.