Konrad Heiden Books

A history of national socialism: Translated from the German

By Konrad Heiden, K. Heiden

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The End of the Twentieth Century and the End of the Modern Age

By Konrad Heiden, John Lukacs

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"Historian John Lukacs's brilliant new book offers a provocative summing-up of the twentieth century, that age of iron which began with the guns of August in 1914 and ended with the collapse of the...

Hitler

By Kohrad Heiden, Konrad Heiden

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A history of National Socialism

By Konrad Heiden

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The Fuhrer

By Konrad Heiden

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The Fuhrer

By Konrad Heiden

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A history of national socialism

By Konrad Heiden

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Eine Nacht im November 1938

By Konrad Heiden

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Adolf Hitler, eine Biographie

By Konrad Heiden

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Adolf Hitler, eine Biographie

By Konrad Heiden

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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.