The Pocket Guide to Astronomy Ian Ridpath

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Pocket Guide to Astronomy By Ian Ridpath

Space: A Photographic Guide to the Universe, Hardcover, Ian Ridpath, Astronomy

The Facts on File Atlas of Stars and Planets Guide To Universe Ian Ridpath Book

Astronomy Pack by Wil Tirion & Ian Ridpath Posters Glow-in-the-Dark Planisphere

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