Cover image is for illustration. Actual edition may vary.
About this book
In the depths of the ocean, a monster is stirring. Only one girl - half Mer, half human - has travelled to the bottom of the sea and returned alive. With the help of her friend the whale, Sapphy must return to the Deep to fight this terrifying creature - and her brother Conor and Mer friend Faro will not let her go alone.
Want to sell your books?
List 30 books in 90 seconds with AI shelf scanning
