Roger Blachon Books

The Cat and the Devil

By James Joyce, Stephen Joyce, Roger Blachon

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Histoire du roi Kaboul 1er et du marmiton Gauwain

By Max Jacob, Roger Blachon

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Ali Baba et les quarante voleurs

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A story from the Arabian Nights, which tells of a poor woodcutter who discovers the secret hiding place where a band of robbers keep their stolen riches.

Zazie dans le metro

By Roger Blachon, Raymond Queneau

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Le Chat et le Diable

By James Joyce, Roger Blachon

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Sport Tome 3

By Roger Blachon

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Un dimanche dingue

By Jean Pierre Serenne

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Les malmenes

By Roger Blachon

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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.