Tony O Malley Books

The Woodworker s Problem Solver

By Tony O Malley

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Tony O'Malley

By Tony O Malley

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Profile Tony O Malley Profile

By Tony O Malley

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Tony O'Malley

By Tony O Malley

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Tony O'Malley was born in Callan, Co. Kilkenney in 1913. He worked for many years as a clerk with the Munster and Leinster Bank but after contracting tuberculosis and long periods in sanatoria and...

Tony O'Malley

By Tony O Malley

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Tony O'Malley was born in Callan, Co. Kilkenney in 1913. He worked for many years as a clerk with the Munster and Leinster Bank but after contracting tuberculosis and long periods in sanatoria and...

Tony O Malley

By Brian Fallon, Tony O Malley, Irish Museum Of Modern Art Kilmainham Dublin Ireland Staff, Catherine Marshall Undifferentiated, Caoimhin Mac Giolla Leith

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Island and ocean

By Tony O Malley

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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.