# Is ISBN 13 or 10 better?

## Is ISBN 13 or 10 better?

Prior to 2007, the ISBN was 10 digits in length. In January 2007, the 13-digit ISBN launched to increase the capacity of the ISBN system. Once this change takes place, only 13-digit ISBNs starting with 978 or 979 should be used to identify a book.

### What is ISBN 10 vs isbn13?

ISBN-13 is partially compatible with ISBN-10. If a book is assigned an ISBN-10 number, then there is an equivalent ISBN-13 defined for it, which is “978” followed by the first nine digits of the ISBN-10 code, followed by a single check digit.

How does ISBN 10 work?

The check digit is calculated by taking the nine digits comprised of the group identifier, publisher identifier and the title identifier. The first, leftmost, digit of the nine is multiplied by ten, then working from left to right, each successive digit is multiplied by one less than the one before.

What do different ISBN numbers mean?

For example, paperback and hardcover versions of the same title will have different ISBNs. A textbook will have a separate ISBN for each edition. If a book is reprinted by its same publisher without any changes or revisions, it will keep the same ISBN.

## Why are there 2 ISBN numbers on books?

An ISBN (International Standard Book Number) is intended to identify a unique edition of a book. Thus a hardcover edition of a book will carry a different ISBN than a paperback edition of the same book, and a revised edition of a book gets a new ISBN even if it carries the same title.

### Do all books have isbn13?

While ISBN consisted of 10 digits earlier, publishers realized that they would soon run out of numbers, and so a new ISBN 13 was created. Since 1st January 2007, all books have ISBN 13 printed on their backs.

Why does a book have 2 ISBN numbers?

How do I convert ISBN 10 to 13?

The Conversion Of ISBN-10 to ISBN-13

1. take the 10 digit ISBN (10 digits)
2. drop the last character (9 digits)
3. tack on “978” to the front (12 digits)
4. calculate a new check digit and tack it on to the end (13 digits)

## Can a book have 2 ISBN numbers?

Overview. A separate ISBN is assigned to each edition and variation (except reprintings) of a publication. For example, an ebook, audiobook, paperback, and hardcover edition of the same book will each have a different ISBN assigned to it.

### Is hardcover and paperback different ISBN?

Publishers purchase ISBNs from an affiliate of the International ISBN Agency. An ISBN is assigned to each separate edition and variation (except reprintings) of a publication. For example, an e-book, a paperback and a hardcover edition of the same book will each have a different ISBN.

What is ISBN 10?

Thus, it is clear that ISBN 10 is an old system of identification of books that has been superseded by ISBN 13. ISBN numbers begin with 979. ISBN number is divided into parts that identify different things such as Group, Publisher, Item number, and a check digit.

What is an ISBN number copyright?

Copyright is a legal protection of original creative work. An ISBN is an internationally recognized identifier of a work to facilitate marketing and cataloging of books and “book-like” products by distributors, libraries and booksellers .

## How can I find the ISBN number of a book?

You can find an ISBN number in several places on a book. Look on the copyright page located in the front of the book near the title page. ISBNs are also often found on the back cover of the book sometimes near the publisher’s barcode. Newer barcodes will begin with the numbers “978.”.