- Series: Leser fragen — Expokraten antworten Series Record # 35909
- Leser fragen — Expokraten antworten
- Leser fragen — Expokraten antworten (Perry Rhodan #2706) (2013) [ES] by Hartmut Kasper and various [only as by Wim Vandemaan and various]
- Antworten der Expokraten (Perry Rhodan #2711) (2013) [ES] by Hartmut Kasper [only as by Wim Vandemaan]
- Leser fragen — Expokraten antworten (Perry Rhodan #2716) (2013) [ES] by Hartmut Kasper [only as by Wim Vandemaan]
- Leser fragen — Expokraten antworten (Perry Rhodan #2720) (2013) [ES] by Hartmut Kasper and various [only as by Wim Vandemaan and various]
- Leser fragen — Expokraten antworten (Perry Rhodan #2724) (2013) [ES] by Hartmut Kasper and various [only as by Wim Vandemaan and various]
- Leser fragen — Expokraten antworten (Perry Rhodan #2731) (2013) [ES] by Hartmut Kasper and various [only as by Wim Vandemaan and various]