The Forgotten Sister

The Forgotten Sister by Caroline Bond is a novel that centres on a teenager named Cassie and her quest to uncover her past. Adopted at a young age, Cassie discovers she was separated from her older sister, who was seven at the time and not adopted with her. Initially unaware of her sister's existence, Cassie's desire to find her birth mother is complicated by her adoptive parents' reluctance to reveal her sister's existence, opting instead to conceal it. Throughout the narrative, Cassie confides in her younger sister, Erin, highlighting the deep connections and potential bonds between siblings, reflecting on what might have been with her older sister. Eventually, Cassie locates her older sister and they begin to meet secretly, following a social media search that brought them together. However, their reunion is fraught with challenges, leading to events that ultimately expose their secret to their parents.