- Series: The Kaphtu Trilogy Series Record # 12429
- Sub-series of: The Kaphtu Universe
- 1 The Kaphtu Trilogy
- 1 The Golden Gryphon Feather (1979) by Richard Purtill
- 2 The Stolen Goddess (1980) by Richard Purtill
- 3 The Mirror of Helen (1983) by Richard Purtill