For over five hundred years the River Realm has lain in the charge of the Master, and the Master's glory has kept the land strong against its enemies. As Cadet Eamon Goodman swears to serve the Master - his highest ambition - a dark voice penetrates his mind, and offers him unsettling power. Then Eamon meets the true King. Despite having made a binding oath to the Master, his heart longs to be a King's man. Whom will Eamon betray? The Traitor's Heir is the first volume in the epic fantasy trilogy, The Knight of Eldaran. Anna Thayer masterfully weaves a world of intrigue, passion and divided loyalties, which will grip the reader from the first page to the last.