AstroFAQs : Questions Amateur Astronomers Frequently Ask
Stephen F. Tonkin
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Star Ware : The Amateur Astronomer's Guide to Choosing, Buying, and Using Telescopes and Accessories
Philip S. Harrington
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Eyes on the Skies : 400 Years of Telescopic Discovery
Govert Schilling
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From Black Clouds To Black Holes
Narlikar Jayant V Narlikar
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