- Series: Harry Challenge Series Record # 14201
- Harry Challenge
- 1 The Prisoner of Blackwood Castle (1984) by Ron Goulart
- 2 The Curse of the Obelisk (1987) by Ron Goulart
- The Secret of the City of Gold (2012) [SF] by Ron Goulart
- The Problem of the Elusive Cracksman (2012) [SF] by Ron Goulart
- Harry Challenge: Victorian Supernatural Sleuth (2015) [O/1,2] by Ron Goulart