David Roper Books

Psalm 23
Psalm 23

By David Roper

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Bart
Bart

By David Roper

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The strength of a man
The strength of a man

By David Roper

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Vida de Cristo 1
Vida de Cristo 1

By Eddie Cloer, David Roper

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Vida de Cristo 2
Vida de Cristo 2

By Eddie Cloer, David Roper

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Romans 1 7
Romans 1 7

By David L. Roper

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Ghosts of Gadus Island
Ghosts of Gadus Island

By David Roper

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Melvin the Mysterious
Melvin the Mysterious

By David Roper

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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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