Roman Toppel Books

Kursk 1943

By Isidoro Villena Reinoso, Roman Toppel

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La Batalla de Kursk, en el verano de 1943, es una de las batallas más grandes en la historia militar, que involucró a más de 3 millones de soldados, 10.000 carros de combate y cañones autopropulsad...

Kursk 1943

By Roman Toppel

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Kursk 1943

By Roman Toppel

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Die Sachsen und Napoleon

By Roman Toppel

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Die Sachsen und Napoleon

By Roman Toppel

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Die Sachsen und Napoleon

By Roman Ppel, T Ouml, Roman Toppel

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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.