The much-anticipated follow-up to the E. B. White Award-winning picture book If I Built a Car In If I Built a Car , imaginative Jack dreamed up a whimsical fantasy ride that could do just about anything. Now he's back and ready to build the house of his dreams, complete with a racetrack, flying room, and gigantic slide. Jack's limitless creativity and infectious enthusiasm will inspire budding young inventors to imagine their own fantastical designs...