Gordon Corrigan Books

Fought on Sunday 18 June 1815 by some 220,000 men over rain-sodden ground in what is now Belgium, the Battle of Waterloo brought an end to twenty-three years of almost continual war between revolut...

A Great And Glorious Adventure A Military History Of The Hundred Years War

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In this succinct history of a conflict that raged for over a century, Gordon Corrigan reveals the horrors of battle and the machinations of power that have shaped a millennium of Anglo-French relat...

England Expects

By Gordon Corrigan

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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.