Theo Dorgan Books

La hija de Safo

By Francisco Castano, Manuel Villar Raso, Theo Dorgan, Jose Manuel Martin Morillas

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Songs of Freedom

By James Connolly, Mat Callahan, Theo Dorgan, James Connolly Heron

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Songs of Freedom

By James Connolly, Mat Callahan, Theo Dorgan, James Connolly Heron

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Songs of Freedom

By James Connolly, Mat Callahan, Theo Dorgan, James Connolly Heron

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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...

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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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.