Junkelmann Marcus Books

Red dawn on the Potomac

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"Marcus Junkelmann, an internationally renowned military historian, provides context and depth to his analysis of the Civil War with over 200 photographs, paintings, and illustrations, derived from...

Morgenrote am Potomac

By Junkelmann Marcus

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Nach dem Sturm

By Junkelmann Marcus

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Napoleon und Bayern

By Junkelmann Marcus

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Die Legionen des Augustus

By Junkelmann Marcus

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Die Reiter Roms

By Junkelmann Marcus

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Romische Helme

By Junkelmann Marcus

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Reiter wie Statuen aus Erz

By Junkelmann Marcus

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Panis militaris

By Junkelmann Marcus

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Tilly

By Junkelmann Marcus

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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.