by John A. Keel
Paperback
details (UK).
(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
details (United States).
(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
details (Germany).
(see also: Kindle Ausgabe · Kindle Ausgabe · Kindle Ausgabe)
details (Canada).
(see also: eBook (Kindle) · eBook (Kindle) · eBook (Kindle))
ISBN: 978-0-86007-153-2
ISBN-10: 0-86007-153-7
Futura Publications · 1975