The 10-digit ISBN
for example :
ISBN X-NNNNNN-AA-C
You’ll notice this sequence
is actually divided into 4 number combinations but only
three have any usefulness to us. First is the initial digit, in this
case “X″:
X-xxxxxx-xx-x
Next is the six digit series “NNNNNN″:
X-NNNNNN-AA-C
This
is the “publisher identifier.
the
third part of ISBN, in this case “AA″:
X-NNNNNN-AA-C
This is the “title identifier,” and
it’s assigned by the publisher to a particular book or a sprecific
edition of a book. For instance, I might assign this ISBN to a softcover
edition, and another ISBN to an ebook edition.
The
last digit,"C"
X-NNNNNN-AA-C
This digit is
mathematically calculated and helps assure that the rest of the ISBN has
been recorded or scanned accurately.
The
13-digit came into use in 2007.
The format is the same, but it adds
“978″ at the beginning, and identifies the following string of numbers
as an ISBN.
This ISBN would become 978-X-NNNNNN-AA-C
(different string
of numbers generates a different check digit at the end).
Publishing Professionals Can Read ISBN Details
Book
sellers, publishing professionals, and others who know how to “read”
the ISBN, can tell for instance that you are publishing your first book.
If your title identifier is “0″ or “00″ obviously you have started at
the top of your ISBN logbook and just assigned the first number. If your
publisher identifier is 7 digits, leaving only 1 digit for book
identifiers, you are only planning to publish a few books. All these
little clues from the ISBN give some insight into a publisher and their
books.
For ISBN 5-digit add-on
Per BISG:
- First digit is "5" for $US
- First digit is "4" for $CAN
- First digit is "0" for GBP
- Last four digits are price * 100
- use 59999 (or 49999 etc.) for price of $100 or more
- 90000-98999 for internal use (BISG recommends 90000 if no price
designated and 5 digit code not used for internal use)
- 99000-99999 reserved for industry-wide use.
- 99990-99999 reserved for Nat'l Ass'n of College Stores (NACS)
- 99990 = NACS used books
- 99991 = NACS desk copies
if you have a book and the price is USD $20.99, you will need to fill in
52099 in the 5 digit supplement, the first digit in this case is 5 for
USD.
Download (ZIP)
OCR-A is the font used for the ISBNs on books; and OCR-B is used for the
human-readable digits on UPC/EAN bar codes. A book with a standard bar
code label uses both.
ISBN is also known as
- International Standard Book Number
- Bookland EAN
- ISBN-13
- ISBN-10
- ISBN+5
- ISBN+2
- ISBN Supplement 5/Five-digit Add-On
- ISBN Supplement 2/Two-digit Add-On
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