Tim Johnson Books

Apples for America Leveled Readers

By Tim Johnson

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The Unbelievable Johnny Appleseed Leveled Reader Gr. 5 Focus on Tall Tales Genre

By Tim Johnson

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Sams teach yourself Unreal Engine 4 game development in 24 hours

By Aram Cookson

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"In just 24 lessons of one hour or less, learn how to start using Unreal Engine 4 to build amazing games for Windows, Mac, PS4, Xbox One, iOS, Android, the web, Linux -- all of them! This book's st...

God s Prosperity Plan

By Tim Johnson, Rod Nichols

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Careless Hands

By Tim Johnson, Stuart Sprake

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Renewable Fuels for Energy Security

By Jeff Bingaman

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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.