Jochen Schenk Books

Origins of the German Principalities 1100 1350

By Graham A. Loud, Jochen Schenk

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Templar Families

By Jochen Schenk

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Templar Families

By Jochen Schenk

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Templar families

By Jochen Schenk

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"Founded in the aftermath of the First Crusade in Jerusalem, the Order of the Temple was a Christian brotherhood dedicated to the military protection of pilgrims and the Holy Land, attracting follo...

Military Orders Set

By Jochen Schenk, Mike Carr

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Templar Families

By Jochen Schenk

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Templar Families

By Jochen Schenk

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Templar Families

By Jochen Schenk

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Military Orders Volume VI

By Jochen Schenk, Mike Carr

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Military Orders Volume VI

By Jochen Schenk, Mike Carr

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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.