The wandering Grubbles have come to BeWILDerwood and the Boggles are very excited. But why does everyone want to bring them their socks? Will Swampy and his gang have to eat some revolting pongiporridge? And what on earth has Mildred done to the lovely clean mud? Join the journey deep into the desert and beyond, in search of the Hippopotamuddle, and all kinds of exciting new characters.