Maddie Crane is grappling with the disappearance of Cordelia LeClaire and trying to escape the grasp of the Sisters of Misery, an insidious clique of the school's most powerful girls, whose pranks have set off a chain of horrific events--and who have Maddie in their sights.

The Lost Sister 2010, Kensington Publishing Corporation

ISBN-13: 9780758258311

Mass-market paperback

Lost Sister 2009, Kensington Publishing Corporation, New York, NY

ISBN-13: 9780758226808

Trade paperback