Contents Include;Attack on the Third Dimension, Radio Astronomy at the URSI Assembly, Color Magintude Diagrams and Stellar Evolution, Queen of the Untraveled Seas, Graphic Time Table of the Heavens, Mare Imbrium Photograph, Regular Departments, Great Photos and Ads! Some wear that is slight, soiling of cover corners and some creasing, two pages stuck together from previous moisture exposure, Overall Good Condition!