Awakening stranded on a tropical island with no memory of what happened, Aster investigates a secret underwater world to find her missing sister, while Sam connects their disappearance to suspicious events in his own life.
Details
ISBN: 9781338567397 (hc)
Physical Description:305 pages ; 22 cm.print
Edition:First edition.
Publisher:New York : Chicken House, Scholastic Inc., c2020.
General Note: Originally published in the United Kingdom in 2018 by Chicken House.