描述
Explains that most sightings of unidentified flying objects are actually understandable phenomena and discusses the possibility of intelligent life existing elsewhere in the universe.
書籍詳情
格式
精裝書
頁數
48 頁
語言
英語
已出版
Jan 1, 1978
出版商
G.P. Putnam's Sons
ISBN-10
0399610898
ISBN-13
9780399610899