Moving slider changes the picture in this interactive book that asks, a oeWhat will I be when I grow up'a "When I'm Big" is an interactive story that literally grows with the reader. Specially formatted Silly Sliders are designed to move up and down the page--transforming the picture and telling the story. Words appear and disappear while the characters grow up right before the reader's eyes. Inside "When I'm Big," kids will be wowed when a young boy gazing longingly at a rocket ship, suddenly blasts off as a grown-up astronaut inside it. Other dream jobs range from magician, rock star, and firefighter, to chef, circus performer, and baker. Simple text and bright, richly painted illustrations complete this engaging storybook.