- Series: Steam World Series Record # 69118
- Series Tags: alternate history (1)
- Steam World
- 1 The Steam Walker (2019) by Todd McCaffrey [also as by Todd J. McCaffrey]
- 2 The Steam Spy (2022) by Todd McCaffrey [only as by Todd J. McCaffrey]
- 3 The Steam Crown (2022) [SF] by Todd McCaffrey [only as by Todd J. McCaffrey]