- Series: Sandal Tolk Series Record # 48131
- Sub-series of: Perry Rhodan Universe
- Sandal Tolk
- 1 Kampf um Exota Alpha (1973) by Hans Kneifel
- 2 Der Herr von Exota Alpha (1973) by Hans Kneifel
- Kampf um Exota Alpha / Der Herr von Exota Alpha (2004) [O] by Hans Kneifel