Dry Bones in the Valley by Tom Bouman W.W. Norton & Company, $24.95, 281 pages, ISBN 978-0-393-24302-4 Are there any among us—living in Twenty-First Century America—who hasn’t heard of hydraulic fracking? It’s commonly referred to as Fracking and everyone has an opinion about it, good or bad, pro or con, informed or ignorant. It’s one of several hot-button words that polite folks don’t utter in social groups lest an