Dwight V Swain

   Terror Out of Space / Quest of the Golden Ape (2011) (with Adam Chase (Milton Lesser) and Ivar Jorgensen (Paul W Fairman))
   Secret of the Serpent / Crusade Across the Void (2011) (with Don Wilcox)
   Terror Station / The Weapon From Eternity (2011)
   We, the Machine / Planet of Dread (2012) (with Gerald Vance (William P McGivern))
   The Horde From Infinity / The Day the Earth Froze (2012) (with Gerald Hatch)
   The Justice of Martin Brand / Bring Back My Brain! (2013) (with Raymond A Palmer)
   Stay Out of Space! / Rebels of the Red Planet (2013) (with Charles L Fontenay)
   Cry Chaos / The Door Through Space (2014) (with Marion Zimmer Bradley)