EARTHQUAKE! VOLCANO! Those two words alone put fear into many people. We expect lots of things to move, but not the earth! How could the earth, which is strong enough to support a skyscraper, shake and break up? Where do earthquakes and volcanoes come from? Are we ever going to know when and where they will hit? Could we ever learn to build structures capable of withstanding an earthquake? The answers to these and other intriguing questions about the mysterious forces that make up our earth - both inside and out - are answered in this fascinating book.