Aeterna Press Books

Letters
Letters

By Leo The Great, Aeterna Press

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Sermons
Sermons

By Leo The Great, Aeterna Press

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The Manual of a Christian Knight
The Manual of a Christian Knight

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Albeit, most virtuous father, that the little book, to the which I have given this name or title Enchiridion militis christiani, which many a day ago I made for myself only, and for a certain frien...

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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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