Theo Dorgan Books

Dealing with the occasions of prayer, prayerful thought, and meditation, this title is built around the idea that in an age of religious violence and the falling away of orthodox religious observan...

An Leabhar Mr The Great Book Of Gaelic

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Time on the ocean

By Theo Dorgan

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Making way

By Theo Dorgan

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Making way

By Theo Dorgan

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Foundation stone

By Theo Dorgan

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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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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.