Ralf C. Muller Books

Franken im Osten

By Ralf C. Muller, Ralf C. M Uller

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Prosopographie der Reisenden und Migranten ins Osmanische Reich (1396-1611)

By Ralf C. Muller

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Prosopographie der Reisenden und Migranten ins Osmanische Reich (1396-1611)

By Ralf C. Muller

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Ute Hartwig Schulz

By Ute Hartwig Schulz, Christine Dorothea Holzig, Ralf C. Muller

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Born in Berlin in 1963, Ute Hartwig-Schulz found the place for her lifelong dream at the end of her studies at the Dresden School of Fine Arts: the small village of Prösitz, located in the Saxon la...

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.