Jean Helion Books

Jean Helion. Abstraktion und Mythen des Alltags. Bilder, Zeichnungen, Gouachen 1925 - 1983.

By Armin Zweite, Jean Helion

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They shall not have me

By Jean Helion

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"The French painter Jean Hélion's unique and deeply moving account of his experiences in Nazi prisoner-of-war camps prefigures the even darker stories that would emerge from the concentration camps...

Jean Helion

By Jean Helion, Didier Ottinger

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Memoire de la chambre jaune

By Jean Helion

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Recits et commentaires

By Jean Helion

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Jean Helion

By Jean Helion

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Journal d'un peintre

By Jean Helion

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Journal d'un peintre

By Jean Helion

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Helion

By Jean Helion

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Lettres d'Amerique

By Jean Helion

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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.