by Jacques F. Vallée
publisher: Ballantine Books (NY) publish date: April 12th 1987
format: mass market paperback
language: English
ISBN:
0345270754 (9780345270757)
publisher: Ballantine Books (NY) publish date: September 12th 1977
format: mass market paperback pages: 284
language: English
ISBN:
0345344375 (9780345344373)
publisher: Tandem, 212 pages, Paperback" /> publish date: 1974
format: paperback pages: 212
language: English
ISBN:
0426130715