What's Happening? A Book of Explanations

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.