Donna Kauffman Books

Sugar Cookie Sweetheart Swap

By Donna Kauffman, Kimberly Kincaid, Kate Angell

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The Black Sheep and The Hidden Beauty Unholy Trinity Book 2

By Donna Kauffman

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Raphael "Rafe" Santiago will stop at nothing to uncover horse trainer Elena Caulfield's secrets after her tomboyish nature, quiet strength, and gentle manner catch him off guard and leave him vulne...

Sweet Stuff

By Donna Kauffman

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Pelican Point

By Donna Kauffman

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Pelican Point

By Donna Kauffman

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Great Scot

By Donna Kauffman

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Sugar Rush

By Donna Kauffman

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Black Sheep and Princess

By Donna Kauffman

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A great kisser

By Donna Kauffman

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Leaving her fast-track Washington career is the most impulsive thing Lauren Matthews has ever done--right until the moment she arrives in Cedar Springs, Colorado. Everything about sexy, enigmatic p...

Black Sheep and the English Rose

By Donna Kauffman

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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.