Tom Clancy's Op-Center is back with this new thriller written by the New York Times bestselling authors of Tom Clancy's ACT OF VALOR and featuring a chilling, ripped-from-the-headlines scenario.

Before 9/11 America was protected by a covert force known as the National Crisis Management Center. Commonly known as Op-Center, this silent, secret mantel guarded the American people and protected the country from enemies. The charter was top secret and Director Paul Hood reported directly to the president. Op-Center used undercover operatives with SWAT...