Eduardo Chavez Books

Our Lady of Guadalupe

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Nearly a decade after Spain's conquest of Mexico, the future of Christianity on the American continent was very much in doubt. Confronted with a hostile colonial government and Native Americans war...

El encuentro de la Virgen de Guadalupe y Juan Diego The encounter of the Virgen of Guadalupe and Juan Diego

By Eduardo Chavez

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Ingenieria y humanismo

By Chavez Eduardo

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Acertijos

By Jose Luis Lara Trueba, Eduardo Chavez

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Aprende Y Dibuja

By Eduardo Chavez

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El Espacio

By Jose Luis Lara Trueba, Eduardo Chavez

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Aprende Y Dibuja

By Eduardo Chavez

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Aprende Y Dibuja

By Eduardo Chavez

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Our Lady of Guadalupe

By Carl A. Anderson

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Our Lady of Guadalupe

By Carl A. Anderson

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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.