- *The Watchers* (1980)
- *The Lovers* (1981)
- *The Guardians* (1982)
- *The Survivors* (1983)
- *The Conquerors* (1984)
- *The Destiny* (1985)
- *The Reckoning* (1986)
- *The Awakening* (1987)
- *The Apocalypse* (1988)
Novellit:
- "Pelon lapset" (1977)
- "Yölapsi" (1978)
- "Ghost Town" (1979)