James O Halloran Books

Signs of hope

By James O Halloran

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Living cells

By James O Halloran

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Pastoral planning with tears.

By James O Halloran

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Small Christian communities

By James O Halloran

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A Christmas truce carol

By James O Halloran

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December 24th 1914 soldiers are settling down for a night of disturbed sleep and the evil attentions of enemy snipers. Suddenly from across No Mans Land comes the sound of singing.. not sure at fir...

Small Christian Communities

By James O Halloran

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The Brendan book of prayer

By James O Halloran

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Remember Jose Inga

By James O Halloran

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In Search Of Christ

By James O Halloran

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Saving the Fish from Drowning

By James O Halloran, Hugh O Donnell

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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.