Gunter Gerstmann Books

Thuringer Land im Farbbild

By Horst Ziethen, Gunter Gerstmann

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Leipzig im Farbbild

By Gunter Gerstmann

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Thuringer Land im Farbbild

By Horst Ziethen, Gunter Gerstmann, Gwendolen Webster

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Dieser repräsentative Bildband lädt auf 84 Seiten in Bild und Text zu einer touristischen Rundreise durch das THÜRINGER LAND, das "Grüne Herz Deutschlands", ein. Er zeigt einen Querschnitt der Land...

Wanderungen durch das Thuringer Land

By Gunter Gerstmann

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Kultur und Messestadt LEIPZIG

By Gunter Gerstmann

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Thuringer Land im Farbbild

By Horst Ziethen, Gunter Gerstmann, Gwendolen Webster

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Ich habe nichts als das Wort

By Gunter Gerstmann

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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.