Book Description: The creator of The Art Pack returns with his most interactive book yet. Readers can trace the evolution of the Earth's makeup, from deep within its core to its endless skies, through pop-ups, foldouts, overlays, pull tabs, and "moving pictures" activated with duo-tone glasses. Includes a 40-page glossary and a 30-minute audiotape. 51 color photos & illustrations. 14 maps.