The first book to provide the amateur geologist with a complete, systematic means of charting & understanding the course of Earth s evolution. With over 500 clearly drawn two-color maps, diagrams, charts & other illustrations, & with a text approved by eminent geologists & science educators, this guide makes it possible for readers of all ages to follow the development of the Earth, from the creation of our solar system 4.6 billion years ago to recent changes in the Earth s physical structure. Provides a who s who of the world s key geologists, along with their major achievements; a worldwide listing of geological displays; & bibliography.