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Annals of the Deep Sky Volume 8
The Year-Round Messier Marathon
Annals of the Deep Sky Volume 4
Astronomical Algorithms, 2nd Edition
Annals of the Deep Sky Volume 2
Star Testing Astronomical Telescopes, 2nd Edition
Annals of the Deep Sky Volume 6
The Dobsonian Telescope
Bright Star Atlas
Annals of the Deep Sky Volume 3
Night Sky Observer's Guide Volume 3: The Southern Skies
Introduction to Lens Design
