* Robotkrigen (1969)
* Starforce:Bok 1 av The Faded Sun Trilogy (1980)
* The Lost Legion (1990)
* The Siege of Earth (1993)
* Ambolt of Stars (1995)
* Crucible of Light (1997)
* The Burning (1998)
* The Crucible (2001)
* Beyond the Stars (2003)
* Inherit the Stars (2005)
* The Star Conquerors (2007)
* The Galaxy Unleashed (2009)
* Den store krigen (2011)
* Den endelige seieren (2013)
Noveller:
* "Og døden skal komme" (1969)
* "The Survivors" (1969)
* "The Children of the Lens" (1970)
* "Den dagen himmelen endret seg" (1970)
* "The Last Starship" (1971)
* "Tidsreisende" (1971)
* "The Death Ship" (1972)
* "The Mind War" (1972)
* "The Alien Artifact" (1973)
* "The Crystal Warriors" (1973)
* "The Galactic Menace" (1974)
* "The Robot Rebellion" (1974)
* "The Time Trap" (1975)
* "The Cosmic Crucible" (1975)
* "The End of the World" (1976)
Samlinger:
* The Last Starship and Other Stories (1976)
* The Robot Rebellion and Other Stories (1977)
* The Cosmic Crucible and Other Stories (1978)
* The End of the World and Other Stories (1979)