Gundula Caspary Books

Markus Lupertz

By Stefan Skowron, Gundula Caspary, Renate M. Goretzki

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Heike Negenborn

By Heike Negenborn

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The central theme of Heike Negenborn (b. 1964 in Bad Neuenahr-Ahrweiler, lives and works in Windesheim) is the seen lebensraum. In reference to seventeenth-century Dutch landscape painting, her wor...

Sp athumanismus und Reichspatriotismus: Melchior Goldast und seine Editionen zur Rechsverfassungsgeschichte

By Gundula Caspary

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Marita G. Weiden

By Marita G. Weiden

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Klaus Florian

By Inge Ludescher, Gabriele Uelsberg, Jorg Eberhard, Gundula Caspary, Oliver Doetzer Berweger, Klaus Florian

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Am Rande

By Christine Ludwigs

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Babak Saed

By Gundula Caspary

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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.