Thomas M Uller Books

Das offentliche Bauwesen in Zurich Teil 2: das kantonale Bauamt 1896-1958

By Thomas M Uller

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Hertzliebe Mama

By Thomas M Uller, Thomas Müller, Christel Butterweck, Carola Wessel, Gotthilf August Francke

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Im April 1719 reist Gotthilf August Francke (1696–1769), der Sohn des Halleschen Waisenvaters August Hermann Francke, nach Jena, um dort sein Theologiestudium aufzunehmen. Erstmals längere Zeit von...

Philosophie der Zeit

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Thomas Muller

By Thomas Muller

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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.