The Door Into Fire novel Dell, 1979
“Parting Gifts” short fiction Flashing Swords #5: Demons and Daggers, 1981
So You Want to Be a Wizard novel Delacorte, 1983
The Tale of the Five (series) novel
A Wizard Alone novel Harcourt, 2002
Wizards at War novel Harcourt, 2005
The Wizard's Dilemma novel Harcourt Children's Books, 2001