Investigating UFO's.
By: Illustrated with photos.
Publisher: Morrow
Published: 1971
Place of publication: New York
Language: eng
Number of pages: 96
Subjects: Unidentified flying objects -- Juvenile literature.; Unidentified flying objects.
Description: Explores the controversial topic of UFO's including accounts of government and civilian studies on them, descriptions of reported sightings, and possible explanations for them.