George Kassimeris Books

The images from Abu Ghraib prison in Baghdad have been a grim reminder of warfare's undiminished capacity for brutality and indiscriminate excess. What happened in Abu Ghraib has happened before: t...

Europe s Last Red Terrorists

By George Kassimeris

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Europe s Last Red Terrorists

By George Kassimeris

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The barbarisation of warfare

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Inside Greek Terrorism

By George Kassimeris

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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.