Hortense Ullrich Books

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By Hortense Ullrich

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Pepper Sisters Happy Hour mit DJ

By Hortense Ullrich

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Weihnachtswichtel Liebeschaos

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Fur alle Falle Luna

By Hortense Ullrich

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Luna hat ein Helfersyndrom: Wo immer jemand Hilfe braucht, ist sie zur Stelle. Dass dabei meistens etwas schief geht, stört das Mädchen eher wenig. Doch als ihre Freundin Pia dringend eine Oma für...

Filippa Funkelfee 01 Zauberalarm im Klassenzimmer

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Filippa Funkelfee 02 Reise ins Drachenland

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Filippa Funkelfee 03 Abenteuer im Zauberwald

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Filippa Funkelfee Zauberalarm im Klassenzimmer

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Welttagsedition 2017 Feengeschichten

By Hortense Ullrich

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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.