Karen McQuestion Books

Easily amused

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When twenty-nine-year-old Lola Watson unexpectedly inherits a rambling house in the suburbs, she thinks it just may be the cherry on a banner year. After all, she's happily single, with fabulous fr...

Write That Novel

By Karen McQuestion

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The Moonlight Child

By Karen McQuestion

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The Moonlight Child

By Karen McQuestion

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Grimm House

By Karen McQuestion

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The Moonlight Child

By Karen McQuestion

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Zwei Herzen in New York

By Karen McQuestion, Barbara Ostrop

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Celia and the Fairies

By Karen McQuestion

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Celia and the Fairies

By Tara Sands, Karen McQuestion

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Easily Amused

By Karen McQuestion

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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.