Claude Pommereau Books

Les arts sous l Occupation

By Guillaume Picon, Stephane Guegan, Claude Pommereau

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"Les Arts sous l'Occupation retrace le destin, au jour le jour, des artistes, des cinéastes, des écrivains et des dramaturges au coeur des "années noires". Véritable enquête de terrain, ce livre ba...

Ecrivains et artistes face a la Grande guerre

By Claude Pommereau

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"Écrivains, peintres, musiciens, photographes, cinéastes, la guerre est aux antipodes de leur univers quotidien. Et pourtant les voilà embarqués dans ce conflit, qu'ils soient patriotes ou pacifist...

Alphonse Mucha

By Tomoko Sato, Claude Pommereau

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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.