People disappearing. Pies being baked. Blue wheelie bins. And a teacher who gets all her words back to front. What do all of these rather odd things have in common?And what does TV celebrity chef Victoria Sponge have to do with it all?Danny Fraser and his friends, Mikey and Johnnie, along with their trusty band of canine helpers, the 'furry four', decide to find out, only to discover that there are aliens in Frickelby. Pie eating aliens no less! How can our intrepid adventurers get the better of these evil invaders? It is a good job they have Nana Fraser on their side. Who better to take on the aliens? No one messes with Nana Fraser, not even intergalactic invaders.But will Nana, the boys and the furry four save the Frickelby Fair from the aliens?