Hartwig Knack Books

Produkt Muttertag

By Hartwig Knack, Alexander Boesch, Birgit Bolognese Leuchtenmuller

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Notwehr

By Vladimir Arkhipov, Hartwig Knack

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Real

By Hartwig Knack, Tayfun Belgin

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Gerhard Kaiser

By Hartwig Knack, Alois Hermann, Lucas Gehrmann

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For more than four decades now, Kaiser?s work has been characterized by shifts in formal/aesthetic direction and by a process of crossing over from one artistic genre to another. The dialogic inter...

Mapping the world

By Hartwig Knack, Alfred Graf

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Hoch tief flach

By Hartwig Knack

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Realitat ins Bild bringen

By Hartwig Knack

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Cut out

By Hartwig Knack

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Robert Zahornicky

By Carl Aigner, Hartwig Knack, Manfred Chobot, Robert Zahornicky

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Real junges Osterreich

By Hartwig Knack, Tayfun Belgin

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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.