Steel Brother Gordon R. Dickson PB 1st Tor (1985)

Hokas Pokas! by Poul Anderson & Gordon R Dickson Baen 1st Printing 2000

Pro Gordon R. Dickson PB 1st Ace (Illustrated)

Mutants by Gordon R. Dickson PB 1st Collier VERY GOOD

Wolfling by Gordon R. Dickson (1985, Mass Market) Baen Books

None but Man by Gordon R. Dickson (1989, Mass Market) Baen 1st Printing

Alien Art Gordon R. Dickson PB 1st Ace (1978)

Survival! by Gordon R. Dickson (1984, Mass Market) BAEN, 1st, NF-