Amazon.com description: Product Description: This magnificent atlas contains the most attractive and interesting double and multiple stars for viewing with binoculars and telescopes. It is a must-have for stargazers who want to explore these fascinating objects. The first modern star atlas devoted to double and multiple stars, it plots over 2,000 selected pairs of stars, each labeled with discoverer, catalog, and/or observatory designations. A superb introduction to this important class of celestial objects, it is spiral bound and printed in red-light friendly colors, making it ideal for use in the field. Written by experienced observer James Mullaney, and beautifully illustrated by renowned celestial cartographer Wil Tirion, it provides an easy-to-use 'celestial roadmap' to locate and identify double and multiple stars. Other deep-sky objects such as star clusters, nebulae, and galaxies are also included, and are color-coded for easy recognition and identification, making this an all-purpose observing reference.