Roy Allen Books

The story of flight
The story of flight

By Roy Allen

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Major airports of the world
Major airports of the world

By Roy Allen

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Major airports of the world
Major airports of the world

By Roy Allen

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The Pan Am Clipper
The Pan Am Clipper

By Roy Allen

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The Pan Am Clipper
The Pan Am Clipper

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Airlines passenger & freight
Airlines passenger & freight

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Sungong
Sungong

By Allen Roy

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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.

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