Eileen Cook Books

When a teenaged con artist realizes that she looks like an age-enhanced photo of a missing child, she decides to pull the ultimate con--until she begins to suspect she may actually be the missing c...

Almost Truth

By Eileen Cook

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Almost Truth

By Eileen Cook

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Year of mistaken discoveries

By Eileen Cook

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Partnered with a boy named Brody, high school senior Avery embarks on a class project to find her birth mother after Avery's former best friend, also adopted, dies.

Used to Be

By Eileen Cook

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With Malice

By Eileen Cook

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Hanging Girl

By Eileen Cook

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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.