Doug Olsen Books

Love Never Ends

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Love Never Ends is a story about love. And how it entangles the lives of people. Love despite the "norms" of society and organized religion. But it explores the real "Laws of God" compared to the r...

Murder At The Library

By Doug Olsen

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Gypsy Kitchen Puzzle

By Julie Gollan, Doug Olsen

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Sanctioned Swindle

By Doug Olsen

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Untangling the Gospel

By Doug Olsen

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Adventures with Nelson

By Doug Olsen

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Visit to the Seer

By Doug Olsen

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Energy to Power All the World from Water

By Doug Olsen, Edward Coyle

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Murder at the House of Prayer

By Doug Olsen

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Off the Grid

By Doug Olsen

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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.

Doug Olsen Books

Related Articles from our Blog

How to Convert ISBN-10 to ISBN-13 (and Vice Versa): A Complete Guide

What is an EAN and How Does it Relate to an ISBN?