Fulfilling the dream as NASA prepares to send astronauts to Mars "Duggins gives you the how of the process along with the facts. Who knows what trails this book will help blaze. Read on."--Bill Nye the Science Guy(R) and executive director of The Planetary Society "From the Mariner probes of the 1960s to the rovers " and " from fanciful human travel in science fiction to realities for human exploration in the future, this...