Nikos Themelis Books

Jenseits von Epirus. Roman.

By Nikos Themelis

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The quest

By Nikos Themeles

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Themen Aktuell 1. Arbeitsbuch. Spanische Ausgabe. Libro de ejercicios.

By Nikos Themelis

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La Ricerca

By Nikos Themelis, Thèmelis, Nikos

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Un’unica vita, sei punti di vista diversi per raccontarla. Dall’Epiro a Lesbo, dalla Smirne della Belle Epoque - “Parigi d’Oriente” - ad Atene, la parabola umana di Nikolìs-efendi è raccontata da l...

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.