Callaghan Books

Devlin s Desire
Devlin s Desire

By Mary Rose Callaghan

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That Summer in Paris
That Summer in Paris

By Morley Callaghan

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Our lady of the snows
Our lady of the snows

By Morley Callaghan

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Thomas Francis Meagher And the Irish Brigade in the Civil War
Thomas Francis Meagher And the Irish Brigade in the Civil War

By Daniel M. Callaghan

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"This work presents an unbiased account of the role that the Irish Brigade played in the confrontations at Fair Oaks, Sharpsburg, Fredericksburg and Chancellorsville, and examines how contemporary...

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Les livres de Hogg
Les livres de Hogg

By Barry Callaghan

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Orthopaedic Knowledge Update
Orthopaedic Knowledge Update

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Canadian travellers in Italy
Canadian travellers in Italy

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George Callaghan s sketch book
Fishing in Beirut
Fishing in Beirut

By Steven Callaghan

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Sun Sand and Suspects
Sun Sand and Suspects

By Hope Callaghan

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Related Articles from our Blog

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.

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