- Series: Space-Ranger Percy Collins Series Record # 43331
- Space-Ranger Percy Collins
- 1
Rangers, Roboter und Raketen (1958)
by
Jürgen Duensing?Juergen Duensing[only as by J. C. Dwynn]
- 2
Menschen, Mächte, Mutanten (1959)
by
Jürgen Duensing?Juergen Duensingonly appeared as:
- Variant: Menschen, Mächte, Mutanten (1959) [as by J. C. Dwynn]
- Variant: Die Rache der Mutanten (1966) [as by J. C. Dwynn]
- 1
Rangers, Roboter und Raketen (1958)
by