Accidental heroes

"A decorated former Air Force pilot. A pregnant flight attendant. A dedicated TSA agent. The fates of these three, and many others, converge in Danielle Steel's gripping new novel--a heart-stopping thriller that engages ordinary men and women in the fight of their lives during a flight from New York to San Francisco. On a beautiful May morning at New York's John F. Kennedy airport, two planes have just departed for San Francisco--one a 757, another a smaller Airbus A321. At a security checkpoint, TSA agent Bernice Adams finds a postcard of the Golden Gate Bridge bearing an ambiguous--perhaps…