On Monday evening, Air Force one, with the president of the United States on board, takes off from Andrews Air Force Base on what is to be a routine flight. The destination is Palm springs, where the president, where it by the tensions of a worsening international situation, plans a quiet, secluded vacation. But suddenly, while flying over arizona, the plane disappears from the or five controllers radar screen. Even as the world counts the few hours to fuel exhaustion time, which would mean that the plane must definitely be down somewhere, a massive search begins. What happens from there on as each development and shrouds still another shock and baffling Discovery in a story of uncalculable suspense and refurbating implications. Fiction so close to what could happen that it has the impact of screaming headlines.