Roger Therond Books

Encounters with great painters

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"In this unique series of colorful, double-page photoessays, combined with interviews, personal anecdotes, observations, and quotes all gathered from the popular French magazine Paris Match, we joi...

Le Nu

By Roger Therond

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Le Surrealisme

By Roger Therond

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50 ans, Paris Match

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Les Amours du siecle

By Roger Therond

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Une passion francaise. Photographies de la collection Roger Therond

By Roger Therond, Maison Europeenne De La Photographie

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Encounters with Great Painters

By Roger Therond

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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.