Philip Gulley Books

The Evolution of Faith: How God Is Creating a Better Christianity

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Provides a starting point for those looking to explore what they truly believe, rather than what they have always been taught, and encourages the development of a belief system that is open to evol...

If grace is true

By Philip Gulley

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If Grace is True: Why God Will Save Every Person

By Philip Gulley, James Mulholland

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A Philip Gulley Reader

By Philip Gulley

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Just shy of Harmony

By Philip Gulley

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Home to Harmony

By Philip Gulley

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Signs and wonders

By Philip Gulley

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Life goes on

By Philip Gulley

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A Change of Heart

By Philip Gulley

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Front Porch Tales Large Print Edition

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.