 Chapter Titles: 1. The Sky Wreckers 2. The Runaway Of Death 3.  Handcuffed To Doom 4. Four Seconds To Live 5. Death In The Air 6.  Stolen Secrets 7. Tower Of Death 8. Cargo Of Destruction 9. The  Clock Of Doom 10.High Voltage 11. The Kidnapped Witness 12.The  Runaway Torpedo 13.Passengers To Doom 14.In The Hands Of The Enemy  15.G