Mary O Brien Books

Counting Sheep to Sleep
Counting Sheep to Sleep

By Mary O Brien

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A bedtime story involving the counting of sheep deteriorates into chaos when the rambunctious sheep refuse to settle down for the night.

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Simplex 150
Simplex 150

By Mary O Brien

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Simplex Crosswords
Simplex Crosswords

By Mary O Brien

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Simplex Crosswords
Simplex Crosswords

By Mary O Brien

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Simplex Crosswords
Simplex Crosswords

By Mary O Brien

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Simplex Crosswords
Simplex Crosswords

By Mary O Brien

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The healing power of sleep
The healing power of sleep

By Mary O Brien

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Weight Perfect
Weight Perfect

By Mary O Brien

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Cutting the Lake
Cutting the Lake

By Mary O Brien

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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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