Comet
by Carl Sagan
1985 popular-science book by Carl Sagan and Ann Druyan.
- Editions tracked
- 2
- First edition
- Joseph, 1985
- Worth
- Not yet valued
Which edition do you have?
First edition
- 1st Joseph1985 Hardback Not yet valued Log in to want this
Later and other editions
- Random House1985 Hardback Not yet valued Log in to want this
We have not yet researched the issue points for this book. If you know how to tell the first from later printings, tell us and we will credit you once it is checked against a second source.
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How to Identify a First Edition
To identify a first edition, check that your copy is the first printing of the first edition. Read the copyright …
Read the guide →6 min readBook Condition Grading: Fine to Poor Explained
Book condition grading uses a six-step trade scale: Fine, Near Fine, Very Good, Good, Fair and Poor. Collectors grade the …
Read the guide →7 min readDust Jackets Explained: Why the Jacket Drives a Book's Value
For most books published since the 1920s, the original dust jacket carries a large share of the value, often most …
Read the guide →Frequently asked questions
Who published the first edition of Comet?
The first edition of Comet by Carl Sagan was published in London by Joseph in 1985.
How many editions of Comet are there?
We track 2 editions of Comet, including 1 first edition. Each has its own page with how to identify it.
How can I tell if my copy of Comet is a first edition?
Check the title page and its reverse (the copyright page) against the edition: publisher, place and date should match, with no later printing or edition stated. Where we know the issue points, they are listed on the edition's page.