Cynthia Harmony Books

Good People Everywhere

By Cynthia Harmony

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Mi ciudad canta

By Adriana Dominguez, Cynthia Harmony, Teresa Martinez

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Después de vivir un temblor devastador, el espíritu de los vecinos en esta dinámica zona de la ciudad Mexicana se sacude, pero no se rompe.  Una pequeña niña...

Mi Ciudad Sings

By Cynthia Harmony, Teresa Martinez

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After experiencing a devastating earthquake, the spirit of a charming and vibrant Mexican neighborhood might be shaken, but it cannot be broken.As a little girl and her dog embark on their daily wa...

Siempre Hay Buenas Personas

By Cynthia Harmony

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Treasure Hunt in the City

By Cynthia Harmony, Martin Brian

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Magic Corncob Upper Emergent

By Cynthia Harmony

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Treasure Hunt in the City

By Cynthia Harmony, Martin Brian

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Magic Corncob

By Mirelle Ortega, Cynthia Harmony

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Good People Everywhere

By Cynthia Harmony

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Siempre Hay Buenas Personas

By Cynthia Harmony, ICivics Organization Staff

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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.