About the book: 2017 / Three sisters are connected by something much stronger than the bonds of blood - a secret that is deeper than the ocean itself. The final novel in the Daughters of the Sea series is as beautiful and dangerous as the ocean itself...Catherine Lasky is the author of more than forty books for children and adults, winner of numerous literary awards. She is the author of such series as “Night Watchmen”, “Wolves from Far, Far Away”, “Horses of the Dawn”, “Daughters of the Sea”, etc. For a wide range of readers.