Asimov's Guide to Halley's Comet
Asimov's Guide to Halley's Comet
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Book Notes: Blue boards are clean with minimal shelf wear. Dust jacket (grade B): minor edge wear with a small chip at the head of the spine. Binding is tight; pages are clean and unmarked.
Author(s): Isaac AsimovEdition: Book Club Edition
Print: 1st Print
Publication year: 1985
Binding: Hardcover
Language: English
Publisher: Walker and Company
Condition: Like NewISBN:
Written for Halley's Comet's return in the winter of 1985-86, Isaac Asimov's guide explains how comets work and how astronomers gradually solved many of their mysteries. The jacket notes cover the birth of comets with the solar system some 4.6 billion years ago, what comet heads and tails are made of, how comets melt away or plunge into the Sun, and how they were long regarded as omens of disaster.
Asimov also takes up questions such as whether the Star of Bethlehem was a comet, whether the 1908 Siberian explosion was caused by a comet fragment, and the role comets may have played in the extinction of the dinosaurs.
Walker and Company, New York, 1985. Book club edition.
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Book Condition Scale
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Like New
This book is in excellent condition and appears to have been read only once. The pages are clean and unmarked, with no creases or stains. The binding remains firm and tight. There may be minimal signs of shelf wear on the cover or dust jacket, but overall, the book looks and feels nearly new.
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Very Good
This book has been read but remains in great condition. It does not look new, yet there is no obvious damage to the cover. Wear and tear are minimal. The pages are clean, free of highlighting or notes, though it may contain identifying marks from a previous owner or bookstore.
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Good
This book shows moderate to heavy signs of wear that can include creases, stains or tears. The cover may have minimal damage, and the binding remains intact with slight wear. The majority of pages are undamaged, though there may be some highlighting, underlining, or notes. It may also contain identifying marks from a previous owner or bookstore.
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Acceptable
This book shows significant wear, which may include tears, large stains, creases, loose pages, and heavy notes, underlining, or highlighting. The binding may be loose but remains intact. While it has noticeable imperfections, it is still a complete and readable copy. Any major defects will be clearly noted in the listing.
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As Described
This book is visibly worn and may be heavily soiled, scuffed, stained, or spotted. It may have loose joints, hinges, or pages, and some text or pages may be missing. Large tears and other significant defects may be present. While still a readable copy, it shows substantial signs of use. Any major flaws will be clearly noted in the listing.
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Dust Jacket Grading
(A) Excellent
The dust jacket is in excellent condition, may show the slightest signs of shelf wear, if any.(B) Good
Shows minor shelf wear, usually along edges and may have a few light stains.(C) Fair
Displays moderate shelf wear, including some noticeable small tears, creasing and/or stains.(D) Poor
Contains large tears, several creases, and/or heavy staining.(F) As Is
Shows significant wear and tear. Majority of dust jacket is torn or missing. May contain heavy staining.
