"A Nightmare at 20,000 Feet" is an exciting thriller by the American writer Richard Matheson, which describes the story of a passenger airliner that finds itself in a catastrophic situation. The pilot of the plane suddenly becomes unconscious, and there is a bug on board that can threaten the lives of all passengers. The protagonist is a brave steward who, faced with an incredible challenge, must show courage and ingenuity to find a way out of the situation and save the lives of hundreds of innocent people. The book "Nightmare at an altitude of 20,000 feet" captivates the reader from the first pages, not letting rest until the last page, filling the heart with tension and nervous ground.