A "tell-all" book of how everyday things workHave you ever wondered
-- what makes a car go?
-- how an image appears on your TV?
-- how a jet plane stays in the air?
-- how your e-mail travels?

What's Happening? explains all this and much more. With clear, concise, step-by-step descriptions and full-color, easy-to-understand illustrations, this book describes how everyday objects work.