Henri Treziny Books

Megara Hyblaea

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Mégara Hyblaea 7. La ville classique, hellénistique et romaine est essentiellement la publication des fouilles menées par François Villard et Georges Vallet entre 1949 et 1975. L'attention des foui...

Le Territoire de Marseille grecque

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Marseille grecque

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Kaulonia I

By Henri Treziny

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L Occident grec

By Henri Treziny, Antoine Hermary

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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.