- Series: Spider World Series Record # 4611
- Spider World
- 1 The Tower (1987) by Colin Wilson
- 2 The Delta (1987) by Colin Wilson
- 3 The Magician (1992) by Colin Wilson
- 4 Shadowland (2003) by Colin Wilson
- The Tower
- 1 The Desert (1988) by Colin Wilson
- 2 The Tower (1989) by Colin Wilson
- 3 The Fortress (1989) by Colin Wilson
- The Tower (2001) [O/1,2,3] by Colin Wilson