* The Cry of a Gryphon (1989)
* The Doors of Sleep (1990)
* Whispers of Immortality (1991)
* Byen ved havet (1992)
* Tilfeldighetens stein (1993)
* The Blood of the Goddess (1994)
* The Shadow of the Mountain (1995)
* Dragenes siste dans (1996)
* Edderkoppens nett (1997)
* The Veils of Time (1998)
Faktalitteratur:
* The Elements of Fiction Writing (1992)
* The Art of Fiction Writing (1994)
* The Business of Fiction Writing (1996)
* The Pleasures of Reading (1998)
* The Book of Fantasy (2000)
* The Writer's Guide to Fantasy (2002)
* The Writer's Guide to Science Fiction (2004)
* The Writer's Guide to Horror (2006)
* The Writer's Guide to Mystery (2008)
* The Writer's Guide to Romance (2010)
Noveller:
* "The Cry of the Gryphon" (1989)
* "Søvnens dører" (1990)
* "Whispers of Immortality" (1991)
* "Byen ved havet" (1992)
* "The Stone of Chance" (1993)
* "The Blood of the Goddess" (1994)
* "The Shadow of the Mountain" (1995)
* "The Last Dance of the Dragons" (1996)
* "Ederkoppens nett" (1997)
* "The Veils of Time" (1998)
Essays og artikler:
* "The Elements of Fiction Writing" (1992)
* "The Art of Fiction Writing" (1994)
* "The Business of Fiction Writing" (1996)
* "Gleden ved å lese" (1998)
* "The Book of Fantasy" (2000)
* "The Writer's Guide to Fantasy" (2002)
* "The Writer's Guide to Science Fiction" (2004)
* "The Writer's Guide to Horror" (2006)
* "The Writer's Guide to Mystery" (2008)
* "The Writer's Guide to Romance" (2010)