Niamh O Connor Books

Cracking Crime

By Niamh O Connor

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Too close for comfort

By Niamh O Connor

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Nun's Cross: A dream, gated development in Dublin that sprang up during the boom and promised a better life at a time when the banks were giving away money and all kinds of people suddenly able to...

If I never see you again

By Niamh O Connor

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Meet Jo Birmingham. Single mum, streetwise detective, and spiky as hell. When Jo identifies the missing link in a chain of brutal killings, she comes under fierce scrutiny from her boss and ex-husb...

Blood Ties

By Niamh O Connor

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Taken

By Niamh O Connor

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It's a cold wet winter night when a car pulls into a service station on Dublin quays. Strapped on to the back-seat is a three-year-old boy. Asleep. Five minutes later he's gone - kidnapped in the t...

Too close for comfort

By Niamh O Connor

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A woman's body is found in Ireland's most notorious body dump zone, an area in the Dublin mountains where a number of women disappeared in the past. "Nun's Cross": The victim is from an exclusive g...

Blink

By Niamh O Connor

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If I Never See You Again

By Niamh O Connor

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If I Never See You Again

By Niamh O Connor

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Taken

By Niamh O Connor

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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.