ISBN: 978-84-86202-04-0
ISBN-10: 84-86202-04-3
Ttarttalo · 1983
| See also (possibly by other authors): | ||
| 2015 | Tapa blanda | Penumbra |
| 2009 | Paperback | Penumbra |
| 2006 | Hardcover | Penumbra |
| 2005 | Paperback | Penumbra (Spook Squad, Book 3) |
| 1999 | Paperback | Penumbra |
| 1996 | Gebundene Ausgabe | Penumbra |