Geoffrey Bell Books

The Twilight of Unionism

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The crisis of Ulster Unionism and the future of Northern IrelandThe fissures that have split the United Kingdom in the last decades have run through Northern Ireland. Since the 1998 Good Friday Agr...

Eight Millimeter Film for Adult Audiences

By Geoffrey Bell

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The Protestants of Ulster

By Geoffrey Bell, Bell Geoffrey

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The Twilight of Unionism

By Geoffrey Bell

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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.