Petra Lanfermann Books

Lass Dich von der Natur anwehen

By Katharina Erling, Alice Gudera, Petra Lanfermann, Andreas Schalhorn, Anne Buschhoff, Annelie Lutgens, Michael Glasmeier, Manu Von Miller

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Das bildnerische Werk des niederlandischen Kunstlers Lucebert 1924 94

By Petra Lanfermann

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Lucebert gilt in seiner Heimat als bedeutender Dichter und bildender Künstler der Nachkriegszeit. Weit weniger bekannt ist sein Wirken in Deutschland, daher stellt dieser Band erstmals umfassend da...

Menschen des 20. und 21. Jahrhunderts

By Petra Lanfermann, Thomas Bachler, Isabell Schenk Weininger

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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.