UFOs and Alien Encounters: Are They Real? - Hardcover

by Hal Marcovitz (Author)

For centuries, people have looked into the sky and observed objects they just can't explain. These unidentified flying objects, or UFOs, have sparked many investigations, some by scientists but many by amateur UFO hunters. After numerous probes into the possibility that UFOs regularly visit the Earth, experts remain divided on whether alien encounters have truly occurred.