A cross-country airliner, whose passengers include a nuclear physicist, a rocket expert, and a mathematical genius, is drawn beyond radar range by an...

A bomb on board an airliner has an altitude-sensitive trigger. Unless a ransom is paid, it will explode when the plane descends to land.

Clive Emerson is a young fugitive with a troubled past and a bleak future. When the law catches up with him, he’s taken into custody by U.S....