Catherine Guy Books

Asking about marriage

By Catherine Guy

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Rennes, le pari d'une agglomeration multipolaire

By Catherine Guy

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Amenager les territoires

By Catherine Guy

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"Comment se présentent les dynamiques d'aménagement du territoire? En France, la conception historique de l'aménagement repose sur un fondement régalien - c'est le pouvoir central qui décide -, nat...

Shetland Classic Walks

By Catherine Guy, Peter Guy

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Mon agora

By Catherine Guy

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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.