Colas Gutman Books

A walk in the woods turns into a funny, philosophical and irresistibly charming mini-adventure.In this witty tale of insistent parents and talking animals, a child questions his purpose. In the cou...

Mon Frere Est UN Singe French Edition

By Colas Gutman

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Les inseparables

By Colas Gutman

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Simon, le narrateur du recit, voit son pere quitter la maison pour s'installer avec sa nouvelle compagne, Pierrette et ses deux enfants, Herve et Marie-Neige. Avec sa soeur Delphine, il decide de s...

Journal d un garcon

By Colas Gutman

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Rex ma tortue

By Colas Gutman

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Rose

By Colas Gutman

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CHIEN POURRI EST AMOUREUX

By Marc BOUTAVANT, Colas GUTMAN

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Chien Pourri et sa bande

By Marc Boutavant, Colas Gutman

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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.