John Scott Chace

• Alien Contact
• God, Extraterrestrials and Man
• Ovnis en America Central y Del Sur Airspace
• Patriot for God and Country
• Project Blue Book, Top Secret UFO Files
• Sportsman Guide to UFOs
• UFOs and Aliens
• UFOs and Extraterrestrials
• UFOs and Our Presidents
• UFOs in Central and South American Airspace
• UFOs in European Airspace
• UFOs in the Sky