Philippe Gras Books

Angkor

By Philippe Gras

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L' armee de l'air en Indochine

By Philippe Gras

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La guerre d'Indochine, oubliée de 1945 à 1954, a laissé des traces et des blessures profondes. Les responsables tant militaires que politiques ont eu souvent tendance à rejetter les fautes les erre...

Cinema de la rue

By Philippe Gras

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Reves d Absinthe

By Xavier Dollo, Julie Proust Tanguy, Philippe Gras, Aleister Crowley, Dean Venetza, Eca De Queiroz, Thibault Emmanuel, Diana Orlow, Henrik Johnsson, Lea Silho

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Manuel de chasse a l arc

By Philippe Gras, Barbier

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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.