Philip Gulley Books

Signs and Wonders: A Harmony Novel

By Philip Gulley

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Just Shy of Harmony

By Philip Gulley

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Porch Talk: Stories of Decency, Common Sense, and Other Endangered Species

By Philip Gulley

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The Christmas Scrapbook: A Harmony Story

By Philip Gulley

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Almost Friends: A Harmony Novel

By Philip Gulley

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It's summer in Harmony, but not everything is as sunny as the weather. The good citizens of Harmony are back and stirring up trouble as usual, sometimes with disastrous results. Pastor Sam Gardner...

Life Goes On: A Harmony Novel

By Philip Gulley

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If God Is Love: Rediscovering Grace in an Ungracious World

By Philip Gulley, James Mulholland

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Christmas in Harmony Gulley Philip

By Philip Gulley

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A Change of Heart: A Harmony Novel

By Philip Gulley

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Home to Harmony

By Philip Gulley

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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.