Gerry Conlon Books

Proved Innocent: The Story of Gerry Conlon of the Guildford Four

By Gerry Conlon

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In the Name of the Father: The Story of Gerry Conlon of the Guildford Four: Tie-In

By Gerry Conlon

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En Octubre de 1989, Gerry Conlon era el primero de los cuatro de Gilford que abandonaba la Corte Británica tras haber permanecido quince años en en la prisión, injustamente acusado de asesinato con...

Wo wu zui

By Gerry Conlon

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En El Nombre Del Padre

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Proved innocent.

By Gerry Conlan

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Proved Innocent: The Story of Gerry Conlon of the Guildford Four

By David Palliseter, Gerry Conlon

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Proved Innocent: The Story of Gerry Conlon of the Guildford Four

By Gerry Conlon

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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.