Ingo Siegner Books

Nachts auf dem Sambesi

By Ingo Siegner

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Ein spannender Besuch im Zoo für Kinder ab 4 Jahren.

Pomino Pimento et le roi de la voltige

By Ingo Siegner

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Pomino Pimento est un dragonneau de la race des "soufflefeu". Inventif, téméraire, curieux et rêveur, il habite l'île des Dragons en compagnie de Pénélope, sa maman, et de Basile, son papa, où il s...

Eliot und Isabella Doppelband

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Eliot und Isabella und das Geheimnis des Leuchtturms

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Eliot und Isabella und die Abenteuer am Fluss

By Ingo Siegner

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Eliot und Isabella und das Geheimnis des Leuchtturms

By Ingo Siegner

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Eliot und Isabella und das Geheimnis des Leuchtturms

By Ingo Siegner

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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.