The Healing in the Vine (Circle of Magic)

Blurb

Briar's Book by Tamora Pierce, is a fantasy novel set in the fictional duchy of Emelan. It is the fourth and final book in the Circle of Magic quartet, starring the four young mages Sandry, Tris, Daja and Briar as they learn to handle powerful magic, form intense bonds of friendship and stand up against destructive forces of nature.