Kate O Riordan Books

Connie and Matt Wilson, once childhood sweethearts, have worked hard to achieve their dreams - their lovely London home, their three beloved sons and a stable marriage. When they go to Rome for a r...

Le garcon dans la lune

By Kate O Riordan

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Un autre amour

By Kate O Riordan

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Connie Wilson revient seule à Londres d'un week-end à Rome où son mari Matt lui a annoncé qu'il ne rentrerait pas avec elle. Elle y retrouve leurs trois garçons. Un roman sur la fragilité des senti...

Intimes convictions

By Judith Siberfeld, Kate O Riordan

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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.