Shawn A. McMullen Books

Unleashing the Potential of the Smaller Church

By Shawn McMullen

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Justin Ordinary Squirrel

By Shawn A. McMullen

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Justin loses some of his friends when he foils their plan to steal another squirrel family's cache of nuts, but he eventually finds pride in having done what was right.

It's what's inside that counts

By Shawn A. McMullen

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Justin the squirrel loses his friends by befriending an unpopular skunk, but they see the error of their ways when the skunk saves them from the dangerous squirrel fever.

A New Home

By Shawn A. McMullen

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Releasing the Power of the Smaller Church

By Shawn McMullen

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That s What Friends Are for Timely Tales Series

By Shawn A. McMullen

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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.