Eight double-page spreads depict the inner workings of different kinds of everyday items--clocks, cameras, flashlights, and irons--next to pictures of the items in one piece in a fully illustrated series that explains how modern technology works. 20,000 first printing.Eight double-page spreads depict the inner workings of different kinds of everyday items--clocks, cameras, flashlights, and irons--next to pictures of the items in one piece in a fully illustrated series that explains how modern technology works. 20,000 first printing.