Oliver Potzsch Books

The hangman s daughter

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Germany, 1659: When a dying boy is pulled from the river with a mark crudely tattooed on his shoulder, hangman Jakob Kuisl is called upon to investigate whether witchcraft is at play in his small B...

Ritter Kuno Kettenstrumpf

By Oliver Potzsch

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Schone Weihnachten

By Oliver Potzsch, Oliver Scherz, Edith Schreiber Wicke, Joachim Friedrich, Hanna Jansen, Michael Ende, Astrid Frank, Ulrike Kuckero, Sabine Bohlmann, Otfried Preussler

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Die Henkerstochter und der Konig der Bettler

By Oliver Potzsch

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Die Ludwig Verschworung

By Oliver Potzsch

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Der Hexer und die Henkerstochter

By Oliver Potzsch

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Die Burg der Konige

By Oliver Potzsch

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Die Henkerstochter

By Oliver Potzsch

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Doch palacha i ved mak

By Oliver Potzsch

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El libro del sepulturero

By Oliver Potzsch, Hector Piquer Minguijon

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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.