Rudiger Bertram Books

Les deux pieds dans le porridge

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Série de romans à saveur humoristique donnant à suivre les mésaventures, souvent invraisemblables, d'Arthur, un garçon maladroit, et de Coolman, son ami imaginaire qui se prend pour un superhéros....

Trixi und die wilden Wikinger beim Turnier

By Rudiger Bertram, Martina Theisen

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Die Wildesten Wikinger Der Welt

By Rudiger Bertram

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Ein Pony in Pink

By Rudiger Bertram

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MacMotz und die rotzgrune Zuckerwatte

By Rudiger Bertram

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Knastkinder

By Rudiger Bertram

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Annemone Apfelstroh

By Juma Kliebenstein, Alice Pantermuller, Wolfram Hanel, Rudiger Bertram, Dagmar H. Mueller, Karin Muller, Anja Janotta

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Frieda Kratzburste und ich

By Rudiger Bertram

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Haltet den Dieb

By Rudiger Bertram

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Keine Party ohne Coolman

By Rudiger Bertram

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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.