The Stone Key (The Obernewtyn Chronicles: North American Editions #6)

Friend becomes foe and trust is a thing of the past when the Misfits' most relentless enemy turns Elspeth's world upside down. Through coercion and mind control, Ariel stands on the cusp of his ultimate revenge--and it falls to Elspeth to rescue a former ally whose mind and body have been manipulated to unleash a plague that will destroy all it touches.From the Paperback edition. Friend becomes foe and trust is a thing of the past when the Misfits' most relentless enemy turns Elspeth's world upside down. Through coercion and mind control, Ariel stands on the cusp of his ultimate revenge'and it falls to Elspeth to rescue a former ally whose mind and body have been manipulated to unleash a plague that will destroy all it touches. From the Paperback edition Elspeth must find and stop the person infected with the plague before sickness--and ultimately death--threatens everyone in the Land