In a darkly warped near future, lucrative disease cures are brokered on Wall Street's Genetic Stock Exchange. And the hottest consumer products are artificially synthesized humans that serve as everything from domestic slaves to combatants in savage gladiatorial games. For Jack Saxton, the young heir to genetic design powerhouse Genico Inc., these Synthates are just a fact of life...until the murder of a high-profile genetic scientist leads a pair...