Jackie Gaff Books

Richard the Lionheart

By Jackie Gaff David West

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Christopher Columbus

By West David

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Dramatic dialogue and vivid illustrations relate the epic story of Christopher Columbus, an intrepid explorer and master navigator who, in 1492 set sail from Spain and headed into unknown seas, in...

Christopher Columbus

By West David

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Dramatic dialogue and vivid illustrations relate the epic story of Christopher Columbus, an intrepid explorer and master navigator who, in 1492 set sail from Spain and headed into unknown seas, in...

LES CHEVAUX QUESTIONS REPONSES 6 8 ANS French Edition

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Les forAats French Edition

By Ghislaine Tamisier Jackie Gaff

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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.