Mermazing underwater adventures with adorable sea creatures! A magical new series about saving our oceans.When three girls rescue a dolphin caught in a fishing net, a young mermaid named Marina is so grateful she gives them magical shell bracelets that let them turn into mermaids! Unfortunately, the mermaids' underwater kingdom is in danger because their pollution-loving enemy, Effluvia, has scattered the precious Treasure of Atlantis across the seven seas. Can Isla, Brooke, and Nadia - the chosen Sea Keepers - get the magical pearls back for their new mermaid friends before it's too late?