Oliver Pötzsch Books

Kurz nach dem Dreißigjährigen Krieg wird in der bayerischen Stadt Schongau ein sterbender Junge aus dem Lech gezogen. Eine Tätowierung deutet auf Hexenwerk hin und sofort beschuldigen die Schongaue...

Die Henkerstochter Und Der Schwarze Mönch: Teil 2 Der Saga

By Oliver Pötzsch, Pötzsch, Oliver

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Oliver Pötzsch.

El Libro Del Sepulturero

By Oliver Pötzsch, Héctor Piquer Minguijón, Oliver Pötzsch, Oliver Pötzsch, Héctor Piquer Minguijón

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Misterio, venganza y muerte en la Viena de 1893 En el Prater, el parque ms importante de la ciudad, aparece el cuerpo de una joven criada asesinada de forma brutal. Leopold von Herzfeldt, un joven...

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.