- Shadow Man (1978)
- The Grave Maurice (1981)
- The Trojan Odyssey (1984)
- The Gods Of Orion (1985)
- Steinhagen (1986)
- Krystallverden (1987)
- Starbridge (1989)
- Sanctuary World (1990)
- Judas Mandala (1992)
- The Shiva Option (1993)
- Temple (1995)
- The Dreaming Dragons (1995)
- Red Shift (1996)
- The Mosaic Codex (1997)
- Fire Dance (1998)
- Skyfall (1999)
- The Omega Scroll (2000)
- Phoenix Rising (2001)
- Time Storm (2002)
- Infinity Engine (2003)
- Earthseed (2004)
- Firestorm (2005)
- Icehenge (2006)
- Quantum Time Slip (2007)
- Ormehull (2008)
- Dragonstorm (2009)
- Timequake (2010)
- Zero Hour (2011)
- Singularity (2012)
- Event Horizon (2013)
- Mørk materie (2014)
- Armageddon (2015)
- Apokalypse (2016)
– Genesis (2017)
- Åpenbaring (2018)
Shorthistoriesamlinger
- The Dreaming Dragons and Other Stories (1985)
- Time Storm og andre historier (2007)