This may be the most important novel published this year. Meet the entomopter (Google it up) a pigeon sized flying device designed for the thin atmosphere of Mars. A terrorist uses it to fly silently to a passenger jet sitting on the tarmac, waiting to take off. The entomopter latches onto the front landing gear. The jet takes off. A small explosive device detonates and the unthinkable happens. No one knows why or how. Welcome back to terror in the skies. The terrorist continues to threaten aircraft across the country. Three airliners down, cause unknown. There is no defense. "The characters and events are fiction; the entomopter is real. Have a safe flight.