Diana Campbell Books

Skill Builders: A Sentence Writing Workout

By Diana Campbell, Dianna S. Campbell

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Lord Margrave s Deception

By Diana Campbell

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WITH THIS LIE I DO THEE WED — Every young lady dreams of being proposed to by a lord -- but Lord Margrave's proposal left lovely Miranda Russell frozen with shock, before she realized that poverty...

The reluctant Cyprian

By Diana Campbell

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The counterfeit countess

By Diana Campbell

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Family Affairs

By Diana Campbell

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Payment in Kind

By Diana Campbell

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Kissing Cousins

By Diana Campbell

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The Earl s Invention

By Diana Campbell

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A Marriage of Inconvenience

By Diana Campbell

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A Breath of Scandal

By Diana Campbell

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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.