"While we worry over the depletion of the earth's natural resources, the pollution of our planet, and the challenges presented by the earth's growing population, billions of dollars worth of metals, fu"
s and the pollution of earth, uncountable dollars worth of metals, fuels, and life-sustaining substances await in nearby space. In this book, noted planetary scientist John S. Lewis reveals that vast amounts of these important substances are locked away--for now--in the asteroids, comets, and planets of our own solar system. Photos.
