Before I Was 20

Night Mare (Xanth, #6)
High Wizardry (Young Wizards, #3)
A Wizard Abroad (Young Wizards, #4)
The Wizard's Dilemma (Young Wizards, #5)
So You Want to Be a Wizard (Young Wizards, #1)
Deep Wizardry (Young Wizards, #2)
Walk Two Moons
The Last Don
Pippi Goes on Board
Johnny Got His Gun
The Integral Trees / The Smoke Ring
The Dragonriders of Pern (Dragonriders of Pern, #1-3)
A Connecticut Yankee in King Arthur's Court
It's a Magical World: A Calvin and Hobbes Collection