Dive into a dolphin adventure! The first book in a magical new mermaid series about saving our seas. When Emily, Grace and Layla rescue a dolphin from a fishing net, they get swept away on a magical mermaid adventure! The girls are chosen to become Sea Keepers - guardians of the underwater world. The oceans desperately need their help, and not just because of pollution. . . An evil mermaid named Effluvia has stirred up a storm of rubbish - and the Sea Keepers must stop her! Can they find a magic pearl and save a beautiful cove for the creatures who live there?