Maritza Romero Books

Henry Cisneros

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Focuses on the political life of a Mexican American who realized the importance of good leadership and served as a mayor and cabinet secretary.

Roberto Clemente

By Maritza Romero

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A brief biography of the Hall of Fame player known for his humanitarian efforts as well as for his athletic ability.

Joan Baez

By Maritza Romero

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A biography of the Mexican American folk singer who became a political activist and who wrote and sang songs that inspired people to make the world better.

Jaime Escalante

By Maritza Romero

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The story of the Bolivian-born teacher who immigrated to the United States where he has become successful in motivating his students to excel in science and math.

Selena Perez

By Maritza Romero

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Ellen Ochoa

By Maritza Romero

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Profiles the life of the first Hispanic woman to become an astronaut including information about her childhood, education, and career with NASA.

Great Hispanics of Our Time

By Maritza Romero

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Jamie Escalante

By Maritza Romero

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Comprendeme

By Yazaira Santiago, Maritza Romero, Johnny Berrios, Margarita Figueroa

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Great Hispanics of Our Time

By Maritza Romero

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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.