Geology - Golden Guide Author:Frank Harold Trevor Rhodes, Raymond Perlman (Illustrator) This informative guide covers the five billion years of history that have given the earth its present form, including: — The earth's relation to the rest of the universe — The rocks and minerals of which it is made — The effects of glaciers, gravity, volcanoes, and other forces — Illustrated in full color, this guide is valuable for everyone int... more »erested in our planet, the ultimate basis of our present society.« less