Fred Kaspar Books

Guter Pachthofe und Sommersitze

By Volker Glantzer, Stefan Winghart, Markus Harzenetter, Fred Kaspar

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Das Konigliche Logierhaus in Bad Kissingen

By Fred Kaspar

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Jeder der vorliegenden Bände der Reihe EINBLICKE dokumentiert ein Schwerpunktthema. In diesem Band geht es um kleine Häuser, die die Kirchhöfe im Zentrum vieler Dörfer und mancher Städte in Nordwes...

Bauen und Wohnen in einer alten Hansestadt

By Fred Kaspar

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Die Gradierwerke, Salz und Kurwesen in Bad Salzuflen

By Fred Kaspar

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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.