Comparing Chinese copyright pages, editions and printings

When a Chinese seller offers a newer printing of a textbook, a matching ISBN does not tell you whether it is the edition your course requires. The copyright page is more useful than a cover thumbnail for this question: it can distinguish 版次, the edition statement, from 印次 or 刷次, the printing statement.

Ask for a clear image of the actual copy’s copyright page, then keep its text beside the listing you are comparing. Record the title, author, translator, publisher, ISBN, edition, publication date, printing, printing date and binding. A missing field is something to confirm, not a reason to guess from the seller’s title.

Read the Chinese copyright-page fields

Look for labels such as 书名, 著者 or 主编, 译者, 出版社 or 出版发行, and 装帧. Traditional forms such as 書名 and 出版發行 may appear in another record. Preserve the wording you see. The book-comparison tool can read explicit labels and lets you edit each extracted value; an unlabeled title should be checked and entered yourself.

Edition and printing information may be written as a sentence rather than separate fields. For example, 2024年3月第1版 contains the publication month and first-edition statement. 第三次印刷 identifies a third printing, not a third edition. Check the extracted values against the original image, especially after OCR, where a small numeral error changes the result.

Separate edition from printing

Consider two fictional teaching extracts. A says 2024年3月第1版 and 2024年3月第1次印刷. B says 2024年3月第1版 and 2026年9月第3次印刷. Their edition statements match, but their printing numbers and printing dates differ. The later date does not by itself turn B into a revised third edition.

Even if the ISBN fields also match, do not conclude that every page is identical. For a course requiring a particular appendix, exercise numbering or accompanying material, compare that feature directly. Ask the seller to show the relevant page or contents rather than treating “same ISBN” as an answer to a different question.

If the edition statements differ, retain that difference even when an ISBN comparison reports equivalence. A listing may contain a copying error or describe several selectable versions. Compare the option actually being purchased. The numeric pair below is a conversion example only, not an identification or recommendation of the fictional Chinese book above.

Compare ISBN forms carefully

ISBNs used ten characters before the change to thirteen-digit ISBNs in 2007. Older publications and records can still display the earlier form. An ISBN-13 has a prefix, a registration group, a publisher element, a publication element and a final check digit. The lengths of some elements vary, so the hyphens do not divide every ISBN into equal groups.

An ISBN-10 can end with X, which represents the check value ten. It belongs at the check-digit position, not at an arbitrary position within the number. ISBN-13 uses a numeric final check digit.

This pair is used to demonstrate conversion, not as a recommendation for a Chinese title. The same conversion rules apply when an older Chinese book record needs to be compared with its ISBN-13 representation.

To convert an ISBN-10 to ISBN-13, take its first nine digits, add 978 at the front and calculate the ISBN-13 check digit. Do not retain the old check digit. In the example, the ISBN-10 body 030640615 becomes 978030640615, then receives the final digit 7.

The ISBN-13 calculation applies alternating weights of 1 and 3 to the first twelve digits. The final digit makes the total a multiple of ten. For this example, the weighted sum of the twelve digits is 93, so the check digit is 7 and the complete sum is 100.

The reverse conversion is available for a valid ISBN-13 beginning with 978: remove that prefix and calculate a new ISBN-10 check digit for the remaining nine-digit body. A number beginning with 979 does not have an ISBN-10 equivalent. A tool leaving that result empty is not necessarily failing to perform the calculation; the older representation may simply not exist.

Keep a traceable book comparison

Keep the ISBN as text in a spreadsheet. It is an identifier rather than a quantity for arithmetic, and an older ISBN-10 can begin with zero or end with X. Numeric formatting can remove meaningful characters or display a long identifier in scientific notation.

Paste the two records into the Chinese book-comparison tool, inspect the extracted fields and choose explicitly if several ISBNs or edition values are present. Separate same, different, missing and invalid results. Correct an input only after checking the source; do not change a value merely to make the comparison show a match.

Export the comparison as CSV or use the Chinese book-catalog worksheet to keep the original strings, seller reference and your notes. The tool compares records you supply; it does not retrieve a complete publisher catalogue or certify authenticity. An unavailable translator or binding description remains an open question rather than an automatically filled fact.

If an ISBN fails its check digit, return to the image before correcting anything: the mistake may be in the body, not just the final digit. If both numbers are valid but not equivalent, check the edition, language and format. Confirm the exact book and printing needed, not merely a mathematically valid identifier.

Compare Chinese book records

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• Chinese book edition record
• Chinese product label comparison sheet
• Chinese Product Labels: GTINs, Net Content and Origin
• Chinese pronunciation and names