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1
NightWatch : a practical guide to viewing the universe
Buffalo ; Richmond Hill, Ont. : Firefly Books, 2006
4th ed.Format: Book
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2
NightWatch : a practical guide to viewing the universe
Willowdale, Ont. : Firefly Books, 1998
3rd ed. rev. and expanded.Format: Book
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3
The backyard astronomer's guide
Richmond Hill, Ont. : Firefly Books, 2008
3rd ed., rev. and expanded.Format: Book
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4
The universe-- and beyond
Camden East, Ont. : Scarborough, Ont. : Camden House ; Trade distribution by Firefly Books, 1986Format: Book
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