- Shadow Man (1978)
- The Grave Maurice (1981)
- Trojan Odyssey (1984)
- The Gods Of Orion (1985)
- Kivipuutarha (1986)
- The Crystal World (1987)
- Starbridge (1989)
- Sanctuary World (1990)
- Juudasmandala (1992)
- The Shiva Option (1993)
- Temple (1995)
- Dreaming Dragons (1995)
- Red Shift (1996)
- The Mosaic Codex (1997)
- Fire Dance (1998)
- Skyfall (1999)
- Omega Scroll (2000)
- Phoenix Rising (2001)
- Time Storm (2002)
- Infinity Engine (2003)
- Earthseed (2004)
- Firestorm (2005)
- Icehenge (2006)
- Quantum Time Slip (2007)
- Madonreikä (2008)
- Dragonstorm (2009)
- Timequake (2010)
- Zero Hour (2011)
- Singularity (2012)
- Event Horizon (2013)
- Dark Matter (2014)
- Armageddon (2015)
- Apocalypse (2016)
- Genesis (2017)
- Revelation (2018)
Novellikokoelmat
- Dreaming Dragons and Other Stories (1985)
- Aikamyrsky ja muita tarinoita (2007)