A Russell Hoban and Quentin Blake classic, and a brilliant companion volume to How Tom Beat Captain Najork and His Hired Sportsmen, this is the story of Tom who invents a jam-powered frog. Fooling around as he loves to do, Tom takes his Aunt Bundlejoy Cosysweet out on the frog out for a spin. When Captain Najork sees them hopping past his window, he and his hired sportsmen jump into their pedal-powered snake and set off in hot pursuit. Events, adventure and sheer craziness conspire to bring Tom ...