Declan Hughes Books

The Wrong Kind of Blood: An Irish Novel of Betrayal

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Returning to Dublin following the death of his mother, L.A. private detective Ed Loy takes on the case of an old friend who asks him to find her missing husband, unaware that the case will trap him...

The Wrong Kind of Blood: An Irish Novel of Suspense

By Declan Hughes

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The Color of Blood: An Irish Novel of Suspense

By Declan Hughes

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The Color of Blood

By Declan Hughes

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The Price of Blood: An Irish Novel of Suspense

By Declan Hughes

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All the Dead Voices

By Declan Hughes

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All the Dead Voices: A Novel

By Declan Hughes

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City of Lost Girls

By Declan Hughes

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The Price of Blood: An Irish Novel of Suspense

By Declan Hughes

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Digging for Fire and New Morning

By Declan Hughes

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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.