Thierry Lenain Books

What If...

By Thierry Lenain

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Monkey Painting

By Thierry Lenain

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Little Zizi

By Thierry Lenain

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Teased by the class bully about his small zizi, Martin nonetheless decides to do whatever it takes to win a pissing contest, which the bully says will determine who is to become the boyfriend of An...

BAISERS DE MADEMOISELLE ZAZIE

By Thierry Lenain, Delphine Durand

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MADEMOISELLE ZAZIE ET LA ROBE

By Thierry Lenain, Delphine Durand

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Mademoiselle Zazie a t elle un zizi

By Thierry Lenain, Delphine Durand

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Mademoiselle Zazie et la robe de Max

By Thierry Lenain, Delphine Durand

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Mademoiselle Zazie veut embrasser Max PREMIERS ROMANS French Edition

By Thierry Lenain

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Mademoiselle Zazie en folie

By Thierry Lenain, Delphine Durand

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Un chien dans un jeu de quilles

By Thierry Lenain

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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.