Stephan Niederwieser Books

Le gang

By Stephan Niederwieser

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Das einzige, was zahlt: Roman

By Stephan Niederwieser

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Eine Wohnung Mitten in Der Stadt

By Stephan Niederwieser

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The bible of gay sex

By Stephan Niederwieser

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Finally there is a book that tells you what you need to know about gay sex. This book informs you about everything you need to know, whether it's dating, health, the best ways to relax or the respo...

Die heilende Kraft der Tiere.

By Alan Forman, Stephan Niederwieser

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Eine Wohnung mitten in der Stadt.

By Stephan Niederwieser

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Peter Maffay

By Stephan Niederwieser

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All about Gay Sex

By Stephan Niederwieser

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Lapacho. Der Tee der Gotter.

By Alan Forman, Stephan Niederwieser

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An einem Mittwoch im September

By Stephan Niederwieser

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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.