Ann Finkbeiner's A Grand and Bold Thing: An Extraordinary New Map of the Universe Ushering In A New Era of Discovery documents the founding of the Sloan Digital Sky Survey-and is out today! "Delightful," says Publisher's Weekly! "Totally awesome," says The Awl! The Sloan Digital Sky Survey, begun ten years ago, is mapping 100 million celestial objects-and measuring distance between a million galaxies, giving us the first real map of where we live. And here, an excerpt!