The Chronicles of Mavin Manyshaped

"For Mavin, coming of age as a shape-shifter is both exhilarating and terrifying. Recklessly headstrong, she is to become notorious in the lands of the True Game. With her brother, she leaves their home-- a place of slavery and fear-- only to have the boy's powers of beguilement lead them into danger.

When she is rescued by the Wizard Himaggery, the shape-shifter and man of magic makes a vow. When 20 years have come and gone, they will meet again. But Himaggery has vanished, leaving only a letter of love behind for Mavin to find..."--Amazon.com.