By Duncan Foley. From the details of how geysers work to the intricacies of heat-loving micro-organisms, this richly illustrated book takes you beneath the beauty of Yellowstone to understand its world-renowned array of hydrothermal features. The author reveals the story by answering questions such as "Will Cistern someday steal energy from Steamboat?" and "But what is below all these volcanic rocks?" Enjoy the beauty and deepen your understanding of Yellowstone's wonders in this book written by a local geologist. 2006. 48 pages. 9 x 12.