In this new chapter book series featuring the mermaids of Mermaids Rock, when Coralie finds a mysterious treasure map in a kelp forest, she and her friends can't wait to explore. But the forest has been destroyed! They'll have to do everything they can to save the forest creatures before it's too late.... Coralie is overjoyed when she visits a beautiful kelp forest with her pet dolphin, Dash. She meets adorable sea lions and otters, and she even finds...