features: Lueder cites the contributions and findings of worldrenowned researchers Zecharia Sitchin, William Bramley, Jordan Maxwell, Nancy Red Star, Stanton Friedman, Dr. Carl Sagan, Jacques Vallee, Raymond Fowler, and many others, along with a vast array of cases sightings, alleged contacts, and abductions. Whether you're simply curious, or a researcher with a serious interest in uncovering the truth about UFOs, is a valuable resource.