Secret Device

Twenty minutes before he's scheduled to land in Atlanta, the president receives an ominous call from his best black ops agents: there's a bomb hidden aboard Air Force One. And any deviation from the plane's flight plan will result in immediate detonation.
On the ground, Matt Higgins and Bridget Donavan scramble to identify the bombers and save the president. But time is ticking down, and as they close in on the perpetrators, they find themselves embroiled in a complex plot with potentially explosive international consequences. Consequences that could cost them both their lives.