- Cross-Time Engineer (Adventures of Conrad Stargard, Book 1)Leo Frankowski
- The high-tech knightLeo Frankowski
- A boy and his tankLeo Frankowski
- The Cross-Time EngineerLeo Frankowski
- Conrad's time machineLeo Frankowski
- Lord Conrad's Lady (Adventures of Conrad Stargard/Leo Frankowski, Book 5)Leo Frankowski
- Conrad's Quest for Rubber (The Adventures of Conrad Stargard , No 6)Leo Frankowski
- Conrad StargardLeo Frankowski
- The war with earthLeo Frankowski
- Flying Warlord (Adventures of Conrad Stargard, Book 4)Leo Frankowski
- Conrad's quest for rubberLeo Frankowski
- Conrad's ladyLeo Frankowski
- Kren of the MitchegaiLeo Frankowski, Dave Grossman
- The Fata MorganaLeo Frankowski
- The radiant warriorLeo Frankowski
- Conrad's Time Machine (Cross-Time Engineer)Leo Frankowski
- Kren of the MitchegaiLeo Frankowski
- The Radiant Warrior (Adventures of Conrad Stargard, Bk 3)Leo Frankowski
- Lord Conrad's CrusadeLeo Frankowski, Rodger Olsen
- The flying warlordLeo Frankowski
