Marc Gundel Books

William N. Copley: True Confessions

By Carl Haenlein, Kay Heymer, Brigitte Reinhardt, Marc Gundel, John S Southard

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Der Kiliansturm: Turm der Turme in Heilbronn

By Christhard Schrenk, Simone Farys, Marc Gundel

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Herbert Baumann

By Nathalie Baumann, Herbert Baumann, Sigrid Baumann Senn, Anja Rumig, Marc Gundel

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Skulpturen aus Papier

By Kerstin Skrobanek, Susie Hondl, Marc Gundel

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Seit etwa fünfzehn Jahren sieht man auf Messen und Biennalen immer häufiger Skulpturen aus Papier. Dabei handelt es sich nicht um Modelle oder Studien, sondern um vollendete Werke. Wie kommt es, da...

Thomas Schutte

By Thomas Schutte

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Karl Schmidt Rottluff

By Karl Schmidt Rottluff

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Heinrich Friedrich Fuger

By Christina Eiber, Wolf Eiermann, Marc Gundel

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Picasso

By Marc Gundel

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Picasso

By Pablo Picasso, Rene Hirner, Marc Gundel

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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.