Birgit Poppe Books

Kandinsky war einer der bedeutendsten Expressionisten und 'Erfinder' der abstrakten Malerei - ihn prägten die Volkskunst und die Moderne. 1911 gründete er in München den berühmten 'Blauen Reiter' u...

Franz Marc

By Birgit Poppe

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Freizeit und Privatleben in der Malerei der DDR

By Birgit Poppe

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Ich bin Ich

By Birgit Poppe

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Zu den bekanntesten Mitgliedern des "Blauen Reiter" gehören die Künstler Wassily Kandinsky, Alexej Jawlensky, Franz Marc und August Macke. Weitgehend im Schatten ihrer männlichen Kollegen blieben h...

Eine himmelsturmende Liebe

By Birgit Poppe

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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.