Robert K. Cooper Books

Flip the Switch
Flip the Switch

By Robert K. Cooper

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Encienda la chispa
Encienda la chispa

By Robert K. Cooper

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Explains how to achieve lasting weight loss and build energy stores by permanently triggering the brain's metabolic thermostat and turning off the body's fat-storing reflexes, in a reference that o...

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Die vier Wahrheiten.
Die vier Wahrheiten.

By Robert K. Cooper

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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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