Christoph Ruys Books

Screenworlds

By Christoph Ruys

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Bruges

By Christoph Ruys

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Brugge

By Christoph Ruys

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Nothing yet everything

By Christoph Ruys

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Christophe Coppens

By Christoph Ruys, Christophe Coppens

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Christophe Coppens is een Belgisch ontwerper en kunstenaar. Zijn werk is kenmerkend voor zijn solide vakmanschap met surrealistische ondertoon. Sinds zijn debuut begin jaren 90 bestaan zijn collect...

Japan on a Glass Plate

By Christoph Ruys

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Erwin Olaf

By Natacha Wolinski, Javier Panera, Erwin Olaf, Christoph Ruys

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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.