Robby Gallaty Books

Foundations - Old Testament: A 260-Day Bible Reading Plan For Busy Believers

By Robby Gallaty, Robby Gallaty

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Growing Up: How To Be A Disciple Who Makes Disciples

By RANDALL COLLINS, Robby Gallaty

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If you are serious about being a disciple of Jesus Christ—really, truly serious—a discipleship group can help you achieve that goal. Jesus established this model for us by forming and leading the f...

The Forgotten Jesus Bible Study Book

By Robby Gallaty

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CSB Disciple's Study Bible, Hardcover

By CSB Bibles By Holman, Robby Gallaty

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Foundations New Testament

By Robby Gallaty

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Rediscovering discipleship

By Robby Gallaty

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Growing up Revised and Updated

By Robby Gallaty

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Firmly Planted Revised and Updated

By Robby Gallaty

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Bearing Fruit Revised and Updated

By Robby Gallaty

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Growing Up

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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.