Geri Guillaume Books

Kiss me twice

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The last thing Bastien wants is to remain under his controlling uncle's thumb, but when the patriarch passes the family company to him, Bastien is determined to prove his worth, which is complicate...

Hearts Of Steel

By Geri Guillaume

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Gettin Merry

By Francis Ray

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Simply Irresistible

By Geri Guillaume

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Firm Commitments

By Geri Guillaume

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Hearts of steel

By Geri Guillaume

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Wine And Roses

By Carmen Green, Geri Guillaume

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Be Mine

By Geri Guillaume

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No Greater Gift

By Geri Guillaume

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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.