The Broken Sword
Poul Anderson
Hrolf Kraki's Saga
The Man Kzin Wars (Man Kzin Wars, Book 1)
Larry Niven & Poul Anderson & Dean Ing
Man-Kzin Wars (1)
Man-Kzin Wars II
Larry Niven & Poul Anderson & J. E. Pournelle & S. M. Stirling
Man-Kzin Wars (2)
Man-Kzin wars III
Man-Kzin Wars (3)
Man-Kzin wars III - The Asteroid Queen
The Shield of Time
Time Patrol (4)
Three Hearts and Three Lions
Holger Danske (1)