Moll Pecksniff and her friends, hiding from the Shadowmasks in a secret cave, must find the Amulet of Truth to stop the rise of dark magic. With her wildcat Gryff and best friends Alfie and Sid, Moll faces smugglers, mer creatures, and secret codes to save the Old Magic. Can they defeat the Shadowmasks before it’s too late? This thrilling adventure by Abi Elphinstone is perfect for fans of J.K. Rowling and Michelle Harrison.