Paul O Grady Books

MacKen McArry Sappideen

By Carolyn Sappideen, Paul O Grady, James Macken

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Following on from the enormous success of At My Mother's Knee, Paul O'Grady here continues his extraordinary life story ... Aged 18, the young Paul has already been a cat burglar and a boxer, a mis...

Savage

By Paul O Grady

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Still Standing

By Paul O Grady

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Open the cage Murphy

By Paul O Grady

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Relativism

By Paul O Grady

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Relativism

By Paul O Grady

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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.