Contents Include; Cover- One of the Largest Transportable Instruments Ever Built by a Amateur Telescope Make is a 18 and 3/4 Inch Cassegrain Reflector, Featured Picture-SChickard Region of the Moon,Sohio Project Moonbeam, A Spiral Galaxy of Astronomers, Understanding the Main Sequence of Stars, A Magnitude Distance Nomograph, Some thoughts on Oilers Paradox, American Astronomers Report, The First Five Years of the Space Age, Some wear that is slight, soiling of cover corners and some creasing on cover edge, Overall Good Condition!