Matthias Wittber Books

Wanderbuch Deutschland

By Bernhard Pollmann, Horst Hofler, Evamaria Wecker, Matthias Busch, Wilfried Und Lisa Bahnmuller, Carsten Ruthe, Michael Reimer, Ute Und Peter Freier, Robert Theml, Heinrich Bauregger, Gaby Funk, Werner Dipl. Ing. Schwanfelder, Uli Auffermann, Norbert Forsch, Michael Prottel, Ludwig Grassler, Bernhard Irlinger, Gerlinde Witt, Gerald Schwabe, Tassilo Wengel, Wolfgang Taschner, Matthias Wittber, Michael Kleemann, Siegfried Garnweidner

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Peru.

By Bruno Baumann, Matthias Wittber

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Schone Ferien mit Kindern

By Ortrun Egelkraut, Thorsten Bronner, Constanze Wimmer, Elisabeth Rohata, Silke Haas, Steve Keller, Ingo Stock, Britta Mentzel, Andreas Adelmann, Michael Prottel, Michael Hennemann, Birgit Gunther, Wolfgang Benicke, Marike Langhorst, Kathi Fink, Tassilo Wengel, Matthias Wittber, Katharina Rogner

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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.