Hem, named Cai at birth is a Minor Bard in the Pellinor series of fantasy adventure books by Alison Croggon. He is the brother of Maerad and like her has amazing Bardic skills. At a very early age, Cai, as he was then known, was taken from his home by a group of Hulls during the sacking of Pellinor. They renamed him Hem, to better fit the realm in...