Sheila Quigley Books

Everything is getting too close for comfort for Detective Inspector Lorraine Hunt. A killer is stalking the streets of Houghton-le-Spring, targeting young women and killing them brutally, and witho...

The Road To Hell

By Sheila Quigley

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Nowhere Man

By Sheila Quigley

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The Final Countdown

By Sheila Quigley

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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.