Titles by Leo Frankowski marked with tag: time travel
- 2005 - Conrad's Lady
- 2005 - Lord Conrad's Crusade with Rodger Olsen
- 2004 - Conrad Stargard: The Radiant Warrior
- 2002 - Conrad's Time Machine
- 1998 - Conrad's Quest for Rubber
- 1990 - Lord Conrad's Lady
- 1989 - The Flying Warlord
- 1989 - The High-Tech Knight
- 1989 - The Radiant Warrior
- 1986 - The Cross-Time Engineer