Tom Valentine Books

The Great Pyramid
The Great Pyramid

By Tom Valentine

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Direct Selling
Direct Selling

By Tom Valentine

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Norbu Chen Tibetn
Norbu Chen Tibetn

By Tom Valentine, Norbu Chen

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Psychic Surgery
Psychic Surgery

By Tom Valentine

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Applied kinesiology
Applied kinesiology

By Tom Valentine

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Inside track
Inside track

By Jim Bush

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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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