When her mum disappears, Anya sets out to find her in the middle of a storm. Taking a boat out to sea, she encounters a strange window of light hovering above the waves. Transfixed, she reaches out to touch it. She then wakes in her boat, the sea now eerily silent. With her mum still missing, Anya is packed off to stay with an odd, unwelcoming couple. Trapped under their watchful gaze, she uncovers a shocking secret that changes everything she thought she knew. Anya must now battle to find the truth: about her mum, about the Light, and about herself. One of the most gripping and thought provoking books you will ever read. Cover Illustration by Philip Harris.