In an exhilarating blend of adventure and international intrigue, U.S. field analyst Doc and his partner, Zita, an MI6 agent, are drawn into the harrowing world of espionage where terrorism casts its ugly shadow over innocence. Doc and Zita are the most original characters to appear in years. London Bridge is Falling Down heralds the arrival of a new breed of lightning-paced, intelligent thriller - surprising at every twist, absorbing at every turn, and in the end, utterly unpredictable - right up to its astonishing conclusion.