Friedmann Bedurftig Books

The Encyclopedia Of The Third Reich, Vol 2

By Christian Zentner, Amy Hackett, Friedmann Bedurftig

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This encyclopedia dissects in unprecedented detail the structure and spirit of the Third Reich. More than 3000 entries by leading German historians encompass the full spectrum of Nazi politics, cul...

Als Hitler die Atombombe baute

By Friedemann Bedu Rftig

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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.