Robert Noah Books

Gottes Hauser in Friesland und Wilhelmshaven

By Noah Robert

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Orgellandschaft Ostfriesland

By Robert Noah, Martin Stromann, Reinhard Ruge, Harald Vogel

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The Man Who Stole the Mona Lisa

By Noah Robert

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The Marquis de Valfierno spent his life preparing to become the man who stole the Mona Lisa. We are introduced to him in Buenos Aires, where the criminal mastermind with exquisite taste in art and...

L Homme qui vola la Joconde

By Robert Noah

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Ce premier roman raconte, en plus du vol de Mona Lisa au Louvre en 1911, la vie de l'escroc espagnol qui l'organisa ainsi que bien d'autres délits avec sa bande de filous.

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.