The Famous Five Collection 6: Books 16-18

Julian, Dick, Anne, George and Timmy the dog find excitement and adventure wherever they go in Enid Blyton's most popular seriesFive Go to Billycock HillThe five are excited to befriend a pilot on holiday. But when he disappears with top-secret equipment, they begin to wonder if he could be a spy ...Five Get Into a FixOn a wonderful skiing holiday, the Five spot a seemingly deserted house. But why do they then see a face in the window? And why does it look so terrified?Five on Finniston FarmWhen they hear that the farm where they're staying has hidden dungeons, the Five can't resist seeking them out. Could they be hiding a dark secret?