Maureen Doyle McQuerry Books

Between Before and After

By Maureen Doyle McQuerry

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Beyond the door

By Maureen McQuerry

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When mythical creatures appear, a mystery of unparalleled proportions begins to unfold for Timothy, his sister Sarah, and school bully Jessica, who must defeat the powers of the Darkness. When myt...

Wolfproof

By Maureen Doyle McQuerry

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Wolfproof

By Maureen Doyle McQuerry

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Between Before and After

By Maureen Doyle McQuerry

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Between Before and After

By Maureen Doyle McQuerry

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Between Before and after Educator s Guide

By Maureen Doyle McQuerry

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Peculiars

By Maureen Doyle McQuerry

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Time Out of Time Book One

By Jack H. Wang, Maureen Doyle McQuerry

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Time Out of Time

By Maureen Doyle McQuerry

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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.