Descripción
Explains that most sightings of unidentified flying objects are actually understandable phenomena and discusses the possibility of intelligent life existing elsewhere in the universe.
Detalles del libro
Formato
Tapa dura
Páginas
48 páginas
Idioma
Inglés
Publicado
Jan 1, 1978
Editorial
G.P. Putnam's Sons
ISBN-10
0399610898
ISBN-13
9780399610899