Tales of the Flying Mountains Poul Anderson  

The Long Night Poul Anderson  

Flandry of Terra Poul Anderson  

Circus of Hells Poul Anderson  

The Shield of Time Poul Anderson  

Kinship With the Stars Poul Anderson  

Explorations Poul Anderson  

Conflict Poul Anderson  

Three Hearts and Three Lions Poul Anderson  

The Day of Their Return Poul Anderson  

Star Fox, The Poul Anderson  

Dark Between Stars Poul Anderson