The Spirit of Dorsal Gordon R. Dickson Ace Books 1979 Softcover TPB

On The Run Gordon R Dickson Science Fiction Paperback ACE Books 1979

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On the Run by Gordon R. Dickson. Ace Books 1979

The Space Swimmers by Gordon R. Dickson 1979 ACE Sci-fi Fantasy

The Space Swimmers, by Gordon R. Dickson - US paperback, Ace Books, 1979

The Spirit of Dorsai by Gordon R. Dickson ACE 1st Printing 1979 Illustrated PB

The Spirit of Dorsai Gordon R Dickson Ace Books 1979 Paperback Science fiction