The Unicorn Trade
Poul Anderson & Karen Anderson
The Demon of Scattery
Poul Anderson & Mildred Downey Broxon
Inheritors of Earth
Poul Anderson & Gordon Eklund
The Dancer from Atlantis
Poul Anderson
The Queen of Air and Darkness
Hoka! Hoka! Hoka!
Poul Anderson & Gordon R. Dickson
Hoka (1)
Earthman, Beware! And Others
The Golden Horn
The Last Viking (1)
The Road of the Sea Horse
The Last Viking (2)
The Sign of the Raven
The Last Viking (3)
The Saturn Game
Technic History (1)
The Sorrow of Odin the Goth
Time Patrol (7)
The Game of Empire
Dominic Flandry (14)
The Year of the Ransom
Time Patrol (9)
Plato's Cave
The Positronic Robot Stories (1)
The Boat of a Million Years
Deathwomb
Berserker (1)
Ivory, and Apes, and Peacocks
Time Patrol (6)
The Long Night
Dominic Flandry (1)