A sparkly, summer title in the Sticker Dolly Story fiction series, for newly confident readers - with a page of stickers to dress the Dolls. Perfect for fans of Holly Webb. It's the day of the Midsummer Party in Dolly Town when a mission comes through... a dolphin mother and baby are trapped in a bay on Coral Island - can three Dolls volunteer to help on the mission? Soon Jack, Holly and Olivia are zooming away on the Shooting Star train to see if they can help rescue the dolphins, but little do they realise that someone is about to stand in their way...