Gregory Mardon Books

Adrift

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Gregory Mardon pays a heartfelt homage to his grandfather, who left from Northern France in the 1930s to enlist in the French Navy and went on countless globe-spanning adventures. A story full of t...

La Femme Papillon

By Gregory Mardon, Michel Coulon

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L echappee

By Gregory Mardon

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Cuando el trabajo mata

By Gregory Mardon, Montserrat Terrones, Hubert Prolongeau, Arnaud Delalande

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Cycloman

By Valentina Nicoletti, Charles Berberian, Gregory Mardon, Paco Camarasa

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Vagues a l ame

By Gregory Mardon

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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.