Penn, John. ( w 2 rekordach )

1. Harcourt, Palma.
2. Trotman, Jack H.

1. NAC
2. Kp. Zdrajca / Palma Harcourt. - Warszawa, 1992.
3. A Haven of danger / John Penn. - London, cop. 1993.
4. LCA online
5. http://www.fantasticfiction.co.uk/p/john-penn/

1. Penn, John.

1. A Haven of danger / Penn, John.
2. So many steps to death / Penn, John.