* *Barn av fullmåne* (1979)
* *Anya* (1980)
* *Heksens datter* (1982)
* *The Ghost in the Mirror* (1983)
* *The Hall of Mirrors* (1984)
* *Den magiske hånden* (1985)
* *The Devil's Arithmetic* (1988)
* *Alvenes ettermiddag* (1989)
* *The Dancing Stones* (1990)
* *The Treehouse Club* (1991)
* *Havfruesommeren* (1992)
* *Slottet i havet* (1993)
* *Dragens egg* (1994)
* *The Phoenix and the Carpet* (1995)
* *The Griffin's Feather* (1996)
* *Enhjørningens horn* (1997)
* *Kentaurens hemmelighet* (1998)
* *Selkies sang* (1999)
* *The Leprechaun's Gold* (2000)
* *The Banshee's Warning* (2001)
* *Feens gave* (2002)
* *Ønskesteinen* (2003)
* *The Magic Crystal* (2004)
* *The Secret Scroll* (2005)
* *The Enchanted Crown* (2006)
* *The Talking Picture* (2007)
* *Den magiske lampen* (2008)
* *Ønskeboksen* (2009)
* *The Magical Necklace* (2010)
Noveller:
* "Heksens katt" (1981)
* "The Ghost of Thomas Kempe" (1982)
* "The Magic Carpet" (1983)
* "The Prince and the Pauper" (1984)
* "Prinsessen og erten" (1985)
* "Den stygge andungen" (1986)
* "Trollmannen fra Oz" (1987)
* "Jungelboken" (1988)
* "The Adventures of Huckleberry Finn" (1989)
* "Den hemmelige hagen" (1990)
* "Anne of Green Gables" (1991)
* "Skatteøya" (1992)
* "A Christmas Carol" (1993)
* "Oliver Twist" (1994)
* "Tom Sawyer" (1995)
* "Alice i Eventyrland" (1996)
* "Peter Pan" (1997)
* "Små kvinner" (1998)
* "The Wind in the Willows" (1999)
* "Trollmannen fra Oz" (2000)
Artikler:
* "The Magic of Books" (1989)
* "The Power of Imagination" (1990)
* "Betydningen av lesing" (1991)
* "Hvordan skrive en barnebok" (1992)
* "Få barna til å lese" (1993)
* "The Future of Children's Literature" (1994)
* "Betydningen av biblioteker" (1995)
* "The Power of Storytelling" (1996)
* "The Magic of Fantasy" (1997)
* "Litteraturens rolle i utdanning" (1998)
* "Betydningen av å lese for barn" (1999)