Antje Birthalmer Books

Der deutsch-schweizerische Bankier Eduard Freiherr von der Heydt (1882-1964) zählt zu den bedeutendsten Sammlerpersönlichkeiten des 20. Jahrhunderts. Mit einem feinen Gespür für Qualität trug er ei...

Else Lasker Schuler

By Antje Birthalmer

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Vision und Schrecken der Moderne

By Roland Monig, Antje Birthalmer

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Das Wupper-Tal, Geburtsort von Friedrich Engels (1820 Barmen, heute Wuppertal-Barmen - 1895 London) und im 19. Jahrhundert ein Zentrum der Textilindustrie, war ein Ausgangspunkt des industriellen A...

Stephan Balkenhol

By Veronika Wiegartz, Roland Monig, Antje Birthalmer

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Abenteuer Barbizon

By Gerhard Finckh, Antje Birthalmer

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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.