A gorgeous introduction to the twelve brave men who have left footprints on the moon, just in time to celebrate the fiftieth anniversary of the first lunar landing. On July 20, 1969, Neil Armstrong took one small step and made history. Over the course of the next three-and-a-half years, twelve lunar explorers, including Alan Shepard and Gene Cernan, touched down on the moon's surface. Author and engineer Suzanne Slade reveals how the...