Publishing History
Editions
- 1978 (July) - New English Library (UK) paperback #1
- 1979 (January) - Erich Pabel (West Germany) digest, as Die Todesvögel
- 1979 (November) - Signet (USA) paperback
- 1985 (June) - New English Library (UK) paperback #2
- 1987 (October) - New English Library (UK) paperback #3
- 1988 (unknown) - New English Library (UK) paperback #4
- 2010 (November) - Black Hill Books (UK) e-book
- 2020 (unknown) - Black Hill Books (UK) trade paperback
Details
- ISBN 0-450-03873-4 | 80p | 160 pages | cover art by unknown artist
- ISBN unknown | DM 1,60 | 64 pages | cover art by unknown artist; translated by A. Groß-Hermanns
- ISBN 0-451-08925-1 | $1.75 | 154 pages | cover art by unknown artist
- ISBN 0-450-03873-4 | £1.75 | 160 pages | cover art by Terry Oakes
- ISBN 0-450-03873-4 | £1.95 | 160 pages | cover art by unknown artist
- ISBN 0-450-03873-4 | £1.95 | 160 pages | cover art as 6 above
- ISBN 978-1-907846-09-0
- ISBN 1-911415-17-4 | ISBN-13 978-911415-17-6 | £9.99 | 202 pages | cover art by unknown artist
Notes
Original Art
More Original Art with artwork compared to book covers.

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