John J. Brugaletta Books

Discovering the Way of Wisdom

By Edward M. Curtis, John J. Brugaletta

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The tongue angles

By John Brugaletta

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With my head rising out of the water

By John J. Brugaletta

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"John Brugaletta's latest book of poetry, With My Head Rising Out of the Water, is a delight to read, not only because of his usual humor and superb use of language, but also because of the various...

Psalms of Gratitude and Prayer

By John J. Brugaletta

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Scripture s Heroes and Villains

By John J. Brugaletta

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Invisible God

By John J. Brugaletta

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Invisible God

By John J. Brugaletta

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Psalms of Gratitude and Prayer

By John J. Brugaletta

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Psalms of Gratitude and Prayer

By John J. Brugaletta

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Invisible God

By John J. Brugaletta

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How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

If you’re in the world of books—whether as a publisher, librarian, bookseller, or avid collector—you’ve likely come across the terms ISBN-10 and ISBN-13. Understanding these formats and knowing how to convert between them is essential for maintaining consistency and compatibility in book records. In this post, we’ll cover everything you need to know about ISBN conversions, step by step.

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.