David Engels Books

Religion and competition in antiquity

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"The notion of competition has become crucial to our understanding of Greek and Roman religion and is often invoked to explain religous changes and to describe the relationship between various cult...

Seleucid dissolution

By Gillian Catherine Ramsey, Kyle Erickson, David Engels

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Ille operum custos

By David Engels

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Zwischen ideal und Wirklichkeit

By David Engels, Lioba Geis, Michael Kleu

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Que hacer

By Esther Herrera Alzu, David Engels, Jesus Sebastian Lorente, Carlos Javier Blanco Martin

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Renovatio Europae

By Birgit Kelle, Sebastian Fabricius, Max Otte, Chantal Delsol, Justyna Schulz, Alvino Mario Fantini, Carlos Xavier Blanco Martin, David Engels, Andras Lancz, Zdzislaw Krasnodebski, Jonathan Price

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Europa

By Carlos Xavier Blanco Martin, Robert Steuckers, Matteo Luca Andriola, David Engels, Julius Evola, Armin Mohler

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Que Faire

By David Engels

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Naves en Llamas No 6 Junio 209

By Yolanda Couceiro Morin, David Engels, Jacobo De Andres, Carlos X. Blanco, Antonio Rios Rojas

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Le declin

By David Engels

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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.