Wolfgang Kootz Books

Nurnberg City Guide with city map and tour route

By Konig Travel Guide

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Kootz, W : The Rhine

By Wolfgang Kootz

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Heidelberg English Francais Espanol

By Wolfgang Kootz Willi Sauer

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Rothenburg ob der Tauber

By Wolfgang Kootz

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Herzlich willkommen in Rothenburg! Die ehemalige freie Reichsstadt gehört zu den international bekanntesten und meistbesichtigten Städten Deutschlands. Am Schnittpunkt der Burgenstraße mit der Roma...

Rothenburg on the Tauber

By Willi Sauer, Wolfgang Kootz

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Dinkelsbuhl

By Willi Sauer, Walter Bogenberger, Wolfgang Kootz

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Dinkelsbuhl

By Wolfgang Kootz

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Heidelberg durch Schloss une stadt

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Heidelberg

By Wolfgang Kootz

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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.