* _Drømmefangeren_ (1989)
* _Den blå ballen_ (1990)
* _Tidsmaskinen_ (1991)
* _Verdenstreet_ (1992)
* _The Circle of Fire_ (1993)
* _Vannkrystallen_ (1994)
* _The Airlift_ (1995)
* _The Earth Serpent_ (1996)
* _Stjerneånden_ (1997)
* _Solguden_ (1998)
* _Månemannen_ (1999)
* _The Planet Planet_ (2000)
* _The Galaxy Guardian_ (2001)
* _The Universe Emperor_ (2002)
* _The Multiverse Creator_ (2003)
* _The Omniverse Ruler_ (2004)
* Faktalitteratur:
* _Pyramidenes hemmelighet_ (1994)
* _Sfinksens gåte_ (1995)
* _The Knowledge of the Gods_ (1996)
* _Tankens kraft_ (1997)
* _Livets energi_ (1998)
* _Sjelens harmoni_ (1999)
* _The Happiness of Being_ (2000)
* _The Love of the Heart_ (2001)
* _Verdens fred_ (2002)
* _Åndens lys_ (2003)
* _The Truth of Being_ (2004)