Michael Sowa Books

Der Weisse Neger Wumbaba kehrt zuruck

By Axel Hacke

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Stinkheim am Arschberg

By Michael Sowa

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Villagers must deal with a flatulent dragon.

Rafael Schmitz der Pommfritz

By Gerhard Polt

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Humorous drama about food and food-born illnesses.

Esterhazy, the rabbit prince

By Irene Dische

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Chronicles the adventures of Prince Esterhazy, a rabbit who goes to Berlin to find a bride and witnesses the destruction of the Berlin Wall.

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.