Claude Helft Books

Le sourire de Josephine

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Collection qui retrace des periodes phares de l'Histoire a travers le journal intime de jeunes heroines, offrant pour chaque titre une aventure inspiree de la biographie d'un personnage celebre ab...

La musique russe Emporte moi Lissa Ivanovna 1 livre 1 CD .

By Claude Et Al Helft

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La musique russe French Edition

By CLAUDE HELFT AURi 1 2LIA FRONTY BIELKA NATHALIE NERVAL

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Trois petits chats font les fous

By Aki, Claude Helft

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1 v. (non paginé [42] p.) : 23 cm

Qui a commence

By Aurelia Fronty

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Noel dans le ciel

By Olivier Tallec

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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.