Chris Patchell Books

Deadly Lies

By Chris Patchell

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In the dark

By Chris Patchell

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"Marissa Rooney stands in her daughter's empty dorm room, a half-used vial of insulin clutched in her trembling hand. Brooke has been missing for days. Her roommate hasn't seen her since that night...

Deadly Lies

By Kevin Stillwell Emily Cauldwell, Chris Patchell

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In the Dark

By Corey Gagne Lisa Stathoplos, Chris Patchell

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In the Dark

By Chris Patchell

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Deception Bay

By Mark Cooper, Chris Patchell, Kate Conway

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Vow of Silence

By Chris Patchell

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Vow of Silence

By Monica Haynes, Chris Patchell

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Vow of Silence

By Chris Patchell

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Deadly Lies

By Chris Patchell

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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.