You are looking on one book4 1/2" by 7 1/2" 280 page softcover copy of "SKYGUIDE, A FIELD GUIDE TO THE HEAVENS, revised edition" by Mark R. Chartrand, printed in1990. This item is in goodcondition with a little bit of soiling of the covers , all the pages are clean and tight.Chapters include:basic astronomy, astronomical instruments, the atmosphere, aurorae, zodiacal light and gegenschein. This book has illustrations,and much, much more. Thanks for Looking.A19***Powered by eCRATER
