"Chilling and captivating, The Wicked Sister explores the complex layers of family bonds, guilt, and redemption. A beautifully written, haunting psychological thriller." --Megan Miranda, author of All the Missing GirlsFrom the bestselling and award-winning author of The Marsh King's Daughter comes a startling novel of psychological suspense as two generations of sisters try to unravel their tangled relationships between nature and nurture, guilt and betrayal, love and evil.Fo