Peter James Books

Biggles and the Sargasso Triangle

By Bjorn Karlstrom

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Ancient Inventions

By Peter James, Nick Thorpe, James Peter, P. J. James

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We in the twentieth century tend to assume that our era has a monopoly on the inventions of clever machines, labor-saving devices, feats of engineering, and advanced technology. But as the authors...

Ancient Mysteries

By Peter James, Nick Thorpe, James Peter, P. J. James

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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.