Theo Dorgan Books

Foundation stone

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"A critical evaluation of the changes the Irish constitution needs to bring radical reform to Ireland. 'In 1949, almost offhandedly, we declared our State a Republic. Remarkably nobody seems to hav...

Foundation stone

By Theo Dorgan

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Cherish Cherish Cherish

By Hugo Hamilton, Theo Dorgan, Leanne O Sullivan

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What this Earth cost us

By Theo Dorgan

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What this Earth cost us

By Theo Dorgan

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Abduction

By Maram Misri, Theo Dorgan

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Abduction

By Theo Dorgan, Maram Al Masri

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Sailing for Home

By Theo Dorgan

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Orpheus

By Theo Dorgan

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Orpheus

By Theo Dorgan

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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.