John Barnes Books

More Money for Your Retirement

By Barnes John

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The Return

By Buzz Aldrin

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A NOVEL OF TODAY -- ABOUT THE OPPORTUNITIES OF TOMORROW Former astronaut Scott Blackstone's dream of opening outer space to visits from everyday people is under attack. His pilot program has been...

How to Learn Basic Bookkeeping in Ten Easy Lessons

By Barnes John

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The Reader Writes the Story: Canadian and World Short Fiction

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Bushman and Bookworm: Letters of Joseph Furphy

By Joseph Furphy

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High Integrity Ada: The Spark Approach

By J. Barnes

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Programming in Ada 95

By J. G. P. Barnes

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Programming in Ada 95

By J. G. P. Barnes

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

What is an EAN and How Does it Relate to an ISBN?

If you’ve ever purchased a product online or in a store, you’ve likely come across a barcode. Behind these barcodes lies a standardized system that makes modern commerce possible. Two key codes often encountered are the EAN (European Article Number) and ISBN (International Standard Book Number). But what are they, how are they connected, and why are they so crucial? Let’s explore.