Contents Include; Cover-Adler Planetarium and Astronomical Museum in Chicago, Back Cover-Unitron 2.4 Telescope in Ad,Spotlight on the Moon, Collapse Phase of Early Solar Evolution, Telescope Making at Adler Planitarium, MA Kovalsky, American Astronomers Report, Space Observatories of Sun and Earth, Japanse Photograph of February Eclipse, Eclipse Observatories of Zodiacal Light, Some wear that is slight, soiling of cover corners and some creasing on cover edge, Overall Good Condition!