THE MAGIC OCEAN SLIDE. On the hottest day of the year Katy Cassie and Zia imagine a water slide coming out of Katy's bedroom window. As they plunge into an underwater world they can't wait to explore. But when they meet a dolphin in distress they realise the ocean is in big trouble . . . THE GIANT CONKER. The friends' latest adventure takes them to an enchanted forest where they set out in search of the biggest conker in the world. But the trees around them are dying - and where are the animals? The girls must try to work out a way to help . . .

Part of the Playdate Adventures series.