Sofia Kotzabassi Books

The Pantokrator Monastery in Constantinople

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"The Monastery of Pantokrator, founded by John II Komnenos and his wife Piroska-Irene, is not only one of the most important and most impressive monastic complexes of the Komnenian age, it is also...

The Pantokrator Monastery in Constantinople

By Sofia Kotzabassi

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"The Monastery of Pantokrator, founded by John II Komnenos and his wife Piroska-Irene, is not only one of the most important and most impressive monastic complexes of the Komnenian age, it is also...

Poetiken der Gegenwart

By Leonhard Herrmann, Silke Horstkotte

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Ducae Historia

By Sofia Kotzabassi, Dukas

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Hagiographische Dossier der Heiligen Theodosia Von Konstantinopel

By Sofia Kotzabassi

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Hagiographische Dossier der Heiligen Theodosia Von Konstantinopel

By Sofia Kotzabassi

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Ducae Historia

By Sofia Kotzabassi, Dukas

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Hagiographische Dossier der heiligen Theodosia von Konstantinopel

By Sofia Kotzabassi

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Companion to the Intellectual Life of the Palaeologan Period

By Sofia Kotzabassi

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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.