Doug Simpson Books

The Door To Forever
The Door To Forever

By Doug Simpson

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Invisible Friends
Invisible Friends

By Doug Simpson

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The Door To Forever
The Door To Forever

By Doug Simpson

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Abandoned Soul
Abandoned Soul

By Doug Simpson

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We Lived in Atlantis
We Lived in Atlantis

By Doug Simpson

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The Deja Vu House
The Deja Vu House

By Doug Simpson

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The Door To Forever
The Door To Forever

By Doug Simpson

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Invisible Friends
Invisible Friends

By Doug Simpson

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Invisible Friends
Invisible Friends

By Doug Simpson

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Related Articles from our Blog

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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