George Barna Books

American Worldview Inventory 2021 22

By George Barna

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American Worldview Inventory 2022 23

By George Barna

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American Worldview Inventory 2022 23

By George Barna

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Como ser padres sin temor Fearless Parenting: How to Raise Faithful Kids in a Secular

By George Barna

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Una de dos: o su hijo modela a la cultura o esta lo modela a él. Anhelamos criar a nuestros hijos como buenos cristianos y ciudadanos, pero esta es una batalla embarazosa. En una cultura p...

Evangelism That Works: How to Reach Changing Generations With the Unchanging Gospel

By George Barna

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How to increase giving in your church

By George Barna

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How to Increase Giving in Your Church: A Practical Guide to the Sensitive Task of Raising Money For Your Church or Ministry

By George Barna

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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.