Catherine Villanueva Books

Blondie McGhee 3

By Catherine Villanueva, Ashley Eneriz

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Blondie McGhee 4 Pressure to Perform

By Catherine Villanueva, Ashley Eneriz

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Empowerment and Interconnectivity

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"Examines the work of three nineteenth-century utilitarian feminist philosophers: Catharine Beecher, Frances Wright, and Anna Doyle Wheeler. Focuses on methodological questions in order to recover...

De Paseo con Sandy

By Michelle Nasser, Catherine Villanueva, Shambrekia Wise, Sandiya Badmus, Amy Betz

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ABCs of Programming

By Arthur Johnston, Catherine Villanueva, Madison Johnston

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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.