Rodney Johnson Books

Verses of Truth Bible Studies King James Version

By Donna Johnson, Rodney Johnson

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The secret of Dead Man's Mine

By Rodney Johnson

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Rinnah Two Feathers, a sleuth-minded Lakota Indian in South Dakota, investigates a mysterious stranger poking around a long-abandoned house and stumbles across the secret of Dead Man's Mine.

Crime Artist

By Rodney Johnson

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Crime Fame Fortune and Glory

By Rodney Johnson

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50 Posts and a Piece of Toast

By Rodney Johnson

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Great Crash Ahead

By Rodney Johnson, Dent Harry S. Jr.

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Who Am I What Could I Be

By Rodney Johnson

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Coming to Grips with Alzheimer s

By Rodney Johnson

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Motion Picture of Success

By Rodney Johnson

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Who Am I What Could I Be

By Rodney Johnson

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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.