Filled with concise descriptions and out-of-this-world photography, theNational Audubon Society Pocket Guide to Galaxies & Other Deep-Sky Objectsis designed to be compact enough to literally fit into any star-gazer's back pocket. This streamlined volume contains: an easy-to-use field guide covering more than 70 deep-sky objects; a complete overview of the evolution of galaxies, nebulae, quasars, star clusters and other objects in space that make up our universe. This pocket guide is packed with information; abundant color photographs and images capturing the magnificence of the stars that compose various deep-space phenomena; text detailing the different types of objects in space, specific names and cataloging of each space phenomena, information on measuring each object's distance and location in the sky and the minimal optical aid needed to observe a particular deep-space matter. From casual star-gazers, budding astronomers to the more experienced, theNational Audubon Society Pocket Guide to Galaxies & Other Deep-Sky Objectsis an excellent and convenient reference guide to bring along when skywatching.