The Citadel of Fear / Francis Stevens, Paperback Library, PB, 1st ed, 1970

Six-Gun Planet John Jakes PB 1st Paperback Library (1970)

Taurus Four - Rena Vale - 1970 1st Edition US Paperback Library SF Paperback

Shellbreak by J.W. Groves PB 1st Paperback Library

Six-Gun Planet John Jakes, 1970 Paperback Library 1st Printing Paperback

Taurus Four by Rena Vale PB 1st Paperback Library

The Diabols R.W. Mackelworth PB 1st Paperback Library (1969)

Eight Against Utopia Douglas R. Mason PB 1st Paperback Library (1967)