Cynthia Leonor Garza Books

Lucia the Luchadora

By Alyssa Bermudez, Cynthia Leonor Garza

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Lucia the luchadora

By Cynthia Leonor Garza

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Lucia zips through the playground in her cape just like the boys, but when they tell her 'girls can't be superheroes', suddenly she doesn't feel so mighty. That's when her beloved abuela reveals a...

Lucia the luchadora and the million masks

By Cynthia Leonor Garza

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Lucia s little sister Gemma wants to be a luchadora like her big sister. When Gemma makes a hole in Lucia s special silver mask, Lucia is exasperated at how her little sister seems to get away wit...

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.