26.
Concise Handbook of Astronomy - Ian Ridpath - Hardcover
by Ridpath, Ian
ISBN: 9780831717667
List Price: $7.98
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Stars and Planets Updated Edition : The Most Complete Guide to the Stars, Planets, Galaxies,...
by Ridpath, Ian, Tirion, Wil
ISBN: 9780691177885
28.
34.
Cambridge Astronomy Dictionary: Over 1000 Entries - 50 Diagrams - Clear and Concise
by Ridpath, Ian, Woodruff, John
ISBN: 9780521589918
List Price: $14.95
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42.
44.
Stars And Planets The Visual Guide To The Night Sky Viewed From Around The World Eyewitness ...
by Ridpath, Ian, Tirion, Wil
ISBN: 9780691089133
List Price: $19.95