Graham Simons Books

Colours in the Sky

By Graham M. Simons

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The Airbus A380

By Graham M. Simons

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"The Airbus was initially designed and developed in order to provide a contender to the Boeing's growing monopoly of the skies in the biggest large-aircraft market in the world. Ambitious in design...

London's airports

By Martin W. Bowman

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London s airports

By Martin W. Bowman

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Hatfield Airfield Focus

By Graham Simons

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Concorde Conspiracy

By Graham M. Simons

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Airbus A380

By Graham Simons

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Comet the World s First Jet Airliner

By Graham Simons

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De Havilland Enterprises

By Graham M. Simons

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Airbus A380

By Graham Simons

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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.