John S. Koliopoulos Books

Greece and the British Connection, 1935-41

By John S. Koliopoulos, Giannes Koliopoulos

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Brigands with a Cause: Brigandage and Irredentism in Modern Greece 1821-1912

By Giannes S. Koliopoulos, John S. Koliopoulos, Giannes Koliopoulos

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Plundered Loyalties

By John S. Koliopoulos, Giannes Koliopoulos

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"Plundered Loyalties examines the impact of the Axis occupation (1941-44) and the Greek Civil War (1945-49) on Greek West Macedonia's multilingual and deeply fragmented population.". "The politica...

Greece

By Thanos M. Veremis, John S. Koliopoulos

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Greece

By Thanos M. Veremis, John S. Koliopoulos, Giannes Koliopoulos

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Plundered Loyalties

By John S. Koliopoulos

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Greece

By Giannes Koliopoulos

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Greece

By Giannes Koliopoulos

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Modern Greece

By Giannes Koliopoulos

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Modern Greece

By Thanos M. Veremis, John S. Koliopoulos

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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.