Leo Frankowski

1943

• Cross-Time Engineer (Adventures of Conrad Stargard, Book 1)
• The high-tech knight
• Conrad's quest for rubber
• The Cross-Time Engineer
• A boy and his tank
• Conrad's Time Machine (Cross-Time Engineer)
• A Boy And His Tank
• Conrad Stargard
• Conrad's time machine
• Kren of the Mitchegai
• Lord Conrad's Crusade
• Lord Conrad's Lady (Adventures of Conrad Stargard/Leo Frankowski, Book 5)