Gerda Ridler Books

Hommage an das Quadrat

By Barbara Willert, Marli Hoppe Ritter, Gerda Ridler

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Indra

By Indra Schelble

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Museum Angerlehner

By Heinz J. Angerlehner, Gerda Ridler

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Seit September 2013 macht der Unternehmer Heinz J. Angerlehner seine umfangreiche Kunstsammlung in seinem Privatmuseum öffentlich zugänglich. Das in Thalheim bei Wels errichtete Museum entstand in...

K wie Kunst

By Antonia Gobiet, Gunther Oberhollenzer, Gerda Ridler

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Privat gesammelt offentlich prasentiert

By Gerda Ridler

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Indra

By Indra Schelble

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Fordern ist meine Kunst

By Hermann Bell, Gerda Ridler

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Privat Gesammelt Offentlich Prasentiert

By Gerda Ridler

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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.