Claus Biegert Books

Der grosse Fluss ertrinkt im Wasser

By Claus Biegert

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Kinder sind kein Eigentum

By Claus Biegert

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Der Montag der die Welt veranderte Lesebuch des Atomzeitalters Hg.von Claus Biegert

By Biegert Claus Hrsg

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Seit 200 Jahren ohne Verfassung

By Claus Biegert

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Indianerschulen

By Claus Biegert

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Seit 200 Jahren ohne Verfassung

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Der grosse Fluss ertrinkt im Wasser

By Claus Biegert

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A compilation of memorable photographs captures the execution of a Viet Cong officer, a woman mourning over one of Kent State's massacre victims, and Martin Luther King delivering his "I have a dre...

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.