52.
53.
54.
Nortons 2000.0 Star Atlas & Reference Handbook
by Ridpath, Ian
ISBN: 9780470214602
List Price: $49.95
55.
Longman Illustrated Dictionary of Astronomy & Astronautics The Terminology of Space
by Ridpath, Ian
ISBN: 9780582893818
List Price: $8.95
60.
61.
Smithsonian Handbooks: Stars and Planets (Smithsonian Handbooks (Pb))
by Ian Ridpath
ISBN: 9780613530965
List Price: $31.50
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Astronomy: How We View Our Solar System - Ian Ridpath - Hardcover - Special Value
by Ridpath, Ian
ISBN: 9780831704766
List Price: $24.98
66.
Stars And Planets The Visual Guide To The Night Sky Viewed From Around The World Eyewitness ...
by Ridpath, Ian
ISBN: 9780756774004
List Price: $19.00
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Cambridge Astronomy Dictionary - Ian Ridpath - Hardcover
by Ridpath, Ian, Woodruff, John
ISBN: 9780521580076
List Price: $29.95
75.
THE UNIVERSE / [BY] NEIL ARDLEY, IAN RIDPATH. THE EARTH / [BY] PETER HARBEN (WORLD OF KNOWLE...
by Unknown
ISBN: 9780356057613