Cutting-edge paranormal investigator Mac Tonnies returned to explore space mysteries, particularly related to Mars, and possible Earth-based sources for UFOs. Are the strange things we see in the skies what we're meant to see, or are they something else entirely that eludes our senses? Alas, Mac died in his 30s, his burgeoning career in paranormal research had barely begun before he met his end. His final work, "The Cryptoterrestrials," has fueled provocative revised discussions about...