Thomas Friedrich Books

Burger planen einen Freizeitpark

By Peter C. Dienel

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Bewusstseinsleistung und Struktur

By Thomas Friedrich

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Hitler and Berlin

By Thomas Friedrich

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Hitler s Berlin

By Thomas Friedrich

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Hitler s Berlin

By Thomas Friedrich

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From his first visit to Berlin in 1916, Hitler was preoccupied and fascinated by Germany's great capital city. In this vivid and entirely new account of Hitler's relationship with Berlin, Thomas Fr...

Kurzgeschichten Aus der Zukunft

By Thomas Friedrich, Ute Friedrich

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Die Toten Vom Eversten Holz

By Thomas Friedrich, Ute Friedrich

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Hitler s Berlin

By Thomas Friedrich

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Altbabylonische Urkunden Aus Sippara

By Thomas Friedrich

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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.