Contents Include; Cover-Three Austrailian Radio Astronomers, Back Cover-Unitron Telescope at World's Southermost Observatory,Moonwatch and Sputnik 4, The Austrailian 210 ft.Radio Telescope, The Filimentary Nebula S147, Lunar and Planetary Meeting in Montreal, Prceise Photographic Measurement of Star Positions, Planning Manned Flight to Moon, Astronomy at Seattle World's Fair! Great Photos and Ads! Some wear that is slight, soiling of cover corners and some creasing, soiling on cover edges and one small crack on cover right edge, Overall Good Condition!