Daniel Siemens Books

Imperialism in Modern German History

By Daniel Siemens, Matthew P. Fitzpatrick, Eva Bischoff, Jennifer V. Evans

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Technology in Modern German History

By Daniel Siemens, Matthew P. Fitzpatrick, Karsten Uhl, Jennifer V. Evans

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The Making Of A Nazi Hero The Murder And Myth Of Horst Wessel

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"On 14 January 1930, Horst Wessel, a young and ambitious member of the SA was shot at close range outside his home in Berlin. He later died from his injuries. Joseph Goebbels, whose attention had a...

Metropole und Verbrechen

By Daniel Siemens

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Horst Wessel

By Daniel Siemens

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Krisen Katastrophen die Bibel

By Daniel Siemens

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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.