- Series: Die Welt der Türme?Die Welt der TuermeSeries Record # 37441
- Die Welt der Türme?Die Welt der Tuerme
- 1 Als die Hexer starben (1981) by Hans Feller and Hugh Walker [only as by Ray Cardwell]
- 2 Herrin der Welt (1982) by Hans Feller and Hugh Walker [only as by Ray Cardwell]
- Jaramons Traum (1981) [SF] by Hans Feller and Hugh Walker [only as by Ray Cardwell]
- Mordins Kraft (1984) [SF] by Hans Feller and Hugh Walker [only as by Ray Cardwell and Hugh Walker]