Astronomy
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The Urban Astronomer's Guide: A Walking Tour of the Cosmos for City Sky WatchersSpecial Price $32.49 Regular Price $44.95
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Practical AstrophotographySpecial Price $54.95 Regular Price $59.95
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Telescopes and Techniques: An Introduction to Practical AstronomySpecial Price $34.95 Regular Price $49.95
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Observer's Guide to Stellar EvolutionSpecial Price $54.95 Regular Price $69.95