Heart of the Comet
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David Brin
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The Archive of Alternate...
Lindsey Drager
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Comet
Carl Sagan
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A Star Shall Fall
Marie Brennan
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A Star Shall Fall
Marie Brennan, Pro
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A Star Shall Fall
Marie Brennan, Pro
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Comets: Speculation and...
Stephen F Pollard,
Nigel Calder
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Heart of the Comet
Gregory Benford
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Luck Follows Me
Laurie Lawlor
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A Star Shall Fall
Marie Brennan
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Heart of the Comet
Gregory Benford,
David Brin
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Viewer GD Halley
Matthew Hart
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Comet
Carl Sagan,
Ann Druyan
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Comets
Dr. Franklyn M Branley
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The Science Digest Book of...
John Tullius
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Tales of the Comet:...
Douglas Campbell,
John Higgins
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Asimov's Guide to Halley's...
Isaac Asimov
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Comet Fever
Donald Gropman
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Comet
Carl Sagan,
Ann Druyan
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The Comet Is Coming!: The...
Nigel Calder
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Comet Called Halle
Ian Ridpath,
Murtagh
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Halley's Comet Almanac, 1986
Franklin Institute,
Philadelphia Daily News
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Halley's Comet!
Francis Reddy
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Comets: Swords of Heaven
David Ritchie
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Ritchie David : Comets: the...
David Ritchie
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