Investigating UFO's
Subtitle: one of the world's greatest unsolved mysteries, the story of the unidentified flying object
By: Larry Kettelkamp.
Publisher: Tandem Pub.
Published: 1976
Place of publication: London
Language: eng
Number of pages: 94
Subjects: Unidentified flying objects -- Juvenile literature.
Genres: Juvenile literature.
Notes: Includes bibliographical references.