Sandra Martin Arnold Books

Alicia Alonso

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A biography of the Cuban ballerina who founded her own ballet school and company, performed with the Ballet Russe, and continued to dance even after she lost her sight.

Alicia Alonso

By Sandra Martin Arnold

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A biography of the Cuban ballerina who founded her own ballet school and company, performed with the Ballet Russe, and continued to dance even after she lost her sight.

Child of the sun

By Sandra Martin Arnold

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Greedy Sun refuses to share the sky with Moon in this Cuban legend that explains why solar eclipses occur.

Child of the Sun

By Sandra Martin Arnold

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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.