Hector Mcdonnell Books

The wild geese of the Antrim MacDonnells

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This book reviews Irish exile between 1615 and 1820 through the descendants of Sorley Boy MacDonnell, a warrior-chieftain of the sixteenth century, and their associates. Part 1 covers the Spanish...

The Night Before Larry Was Stretched

By Hector McDonnell

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Diction Aires and French Letters

By Hector McDonnell, Elizabeth Wise

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St Patrick

By Hector Mcdonnell

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Proverbs

By Alice O Niell, Hector Mcdonnell

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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.