The Deep / Helen Dunmore.
When the ferocious shape-shifting Kraken awakes after thousands of years and threatens the Mer, Sapphire agrees to help them by going with her brother Conor and their friend Faro into the Deep to lull the monster back to sleep.
New York :
|Edition:||1st U.S. ed.|
Walker Library - Curriculum Collection - Juvenile - 3rd Floor
Pull and Hold