Détails du livre
Format
Relié
Pages
48
Langue
Anglais
Publié
Jan 1, 1978
Éditeur
G.P. Putnam's Sons
ISBN-10
0399610898
ISBN-13
9780399610899
Description
Explains that most sightings of unidentified flying objects are actually understandable phenomena and discusses the possibility of intelligent life existing elsewhere in the universe.