LOVE NOT HUMAN by Gordon R. Dickson (1981) Ace paperback

The Outposter by Gordon R. Dickson 1985 TOR Paperback

Necromancer by Gordon R Dickson, Daw 1st Printing. 1978, scarce Canadian edition

Dorsai by Gordon R Dickson 1980 Ace 1st Print Paperback Vintage Sci-Fi Book

Necromancer by Gordon Dickson 1982 Ace Paperback

Necromancer Gordon Dickson Vintage Science Fiction Paperback

The Genetic General by Gordon R. Dickson 1960 Ace Books Sci-Fi Paperback