P. J. Campbell Books

Shades of Sherlock
Shades of Sherlock

By P. J. Campbell

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Pyrethroids
Pyrethroids

By P. J. Campbell, Noritada Matsuo

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Pyrethroids
Pyrethroids

By P. J. Campbell, Noritada Matsuo

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101 author tips
101 author tips

By P. J. Campbell

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Charmmaker
Charmmaker

By P.J. Campbell

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In the cannon's mouth
In the cannon's mouth

By P. J. Campbell

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Blade of grass
Blade of grass

By P. J. Campbell

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To Thine Ownself Be True
To Thine Ownself Be True

By P. J. Campbell

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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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