Ekkehard Kruger Books

Michael: Januskopf Bundesrepublik

By Ekkehard Kruger, Ralph Giordano, Wolfgang Weirauch, Frank Linde, Klaus D Neumann, Annegret Kuhl, Arfst Wagner, Malte Dieckmann

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Daniel Magnus Gronau

By Ekkehard Kruger

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Die hier publizierten Vorträge eines Symposiums in Stralsund 2015 behandeln das liturgische, hymnologische und organologische Umfeld von 40 Choralvariationsreihen des Danziger Organisten Daniel Mag...

Die Musikaliensammlungen des Erbprinzen Friedrich Ludwig von Wurttemberg Stuttgart und der Herzogin Luise Friederike von Mecklenburg Schwerin in der Universitatsbibliothek Rostock

By Ekkehard Kruger

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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.