Alexandre Coutelis Books

Le Privé

By Al Coutelis, Claire Champeval, Alexandre Coutelis, Jean-Michel Charlier

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A.D. Grand-Rivière, Tome 3 : Polychrome Hexagone

By Laurent-Frédéric BOLLÉE, Al Coutelis, Alexandre Coutelis, Laurent F. Bollée, Philippe Aymond, Phil Aymond

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On retrouve ici, AD qui perd les pédales et fugue quelques heures, loin des banlieues parisiennes. Mais il revient déterminé : une disquette trouvée dans le bureau de Martin Bréval le met sur la pi...

CHATS ONT ILS UN NOMBRIL ?

By Alexandre Coutelis, Jean Fontanieu, Heiney, Paul Heiney

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Il fallait un certain courage pour aborder ce genre de questions: De quoi rêvent les bébés? Quelle est la force d'une fourmi? Pourquoi les bulles sont-elles rondes? Pourquoi les crottes de nez sont...

Pourquoi les Mouches Aiment Elles les Crottes

By Caroline Lepage

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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.