The Lioness Quartet by Tamora Pierce. Alanna: The First Adventure, In the Hand of the Goddess, The Woman Who Rides Like a Man, Lioness Rampant. Fantasy fic about a girl who disguises herself as a boy for 8 years to become a knight.
The Circle of Magic Quartet by Tamora Pierce --Another young adult fav! The books centre around 4 [somewhat troubled] children who are brought to a community for mages. There they learn how to form friendships, & use their unique powers. Perfect for
Xanth- Fun fantasy series that I loved years ago. The series starts with Bink, the only person in Xanth who does not seem to have any magic. He is exiled when he is the age to present his skill, and that is where the adventure begins.