UFOs /
By Terry O'Neill, book editor.
- San Diego, Calif. : Greenhaven Press, 2003.
- 160 p. ; 22 cn.
- Fact or fiction .
- Fact or fiction (Greenhaven Press) .
Includes bibliographical references and index.
Explores both sides of the question of whether or not spaceships have visited Earth, looking at issues related to sightings, validity of evidence, government conspiracies, and media hype.