- Author: Christoph Esser Author Record # 321007
- Language: German
- Note: Lived 1994 in Mönchengladbach, North Rhine-Westphalia, Germany
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Short Fiction Series Essays
- Letter (Perry Rhodan #1606) (1992)
- Letter (Perry Rhodan #1721) (1994)
- Letter (Perry Rhodan #1736) (1994)
- Letter (Perry Rhodan #1738) (1994)
- Letter (Perry Rhodan #2647) (2012)