Richard Hayes Books

The secret army
The secret army

By Richard Hayes

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An insidious organization infiltrates a school, bent on taking over it and, eventually, the world.

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The forbidden teachers
The forbidden teachers

By Richard Hayes

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Into the fire
Into the fire

By Richard Hayes

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The Xenon File
The Xenon File

By Richard Hayes

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Food Microbiology and Hygiene
The secret army
The secret army

By Richard Hayes

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An insidious organization infiltrates a school, bent on taking over it and, eventually, the world.

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Teaching Buddhism in the West
Fearful Realities
Fearful Realities

By Christopher Morash

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Fearful Realities
Fearful Realities

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Outlaw Biker

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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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