Christian Tielmann Books

Enzo va chez la nounou

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Maman recommence à travailler et Enzo doit aller chez la nounou. Le petit garçon est inquiet : et si la nounou est en réalité un terrible monstre prêt à le dévorer ? Peut-être ferait-il mieux de re...

Wie Gutenberg die Welt bewegt. Von der Kunst Bucher zu machen. Ab 8 J. .

By Christian Tielmann, Joachim Knappe

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Leons Bagger

By Christian Tielmann

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Millionar fur Minuten.

By Christian Tielmann

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Ein spannender Fall fur die ABC Detektive

By Christian Tielmann

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Himmelhochhoppla

By Christian Tielmann

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Max Bilderbucher

By Christian Tielmann

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Max Bilderbucher

By Christian Tielmann

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Bauer Beck fahrt weg. Ab 5 J. .

By Christian Tielmann, Daniel Napp

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Caglar Bisiklet Surmeyi Ogreniyor Ilk Okuma Kitabim

By Christian Tielmann

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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.