Clean tween fiction exploring sensitive family issues with a lightness of touch. Willow's life is turned upside-down when she meets her dad for the first time, and discovers a half-family she knew nothing about - including a sister who needs a bone marrow transplant to survive. Is Willow brave enough to help her sister, and open her world to a whole new family? For fans of Jacqueline Wilson and Cathy Cassidy. Ages: 9+