A new strain of mass destruction threatens mankind in this thriller in Tom Clancy's bestselling Power Plays series. The most dangerous man of this century has employed the most dangerous weapon yet. Criminal mastermind Harlan DeVane has developed--and spread--a deadly, genetically engineered "superbug" resistant to all known cures. A microscopic time bomb, it will lie dormant inside its human hosts until detonated by specific biochemical triggers...