Sandra R. Curtis Books

Zorro unmasked

By Sandra R. Curtis

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Alice and Eleanor

By Sandra R. Curtis

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Alice Roosevelt Longworth was acknowledged as the outrageous media star in the White House during her father's Presidency. When a friend asked whether Teddy could restrain his daughter, President R...

Bandidos Fantasmas Zorro

By S. R. Curtis

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Los Muertos No Hablan Dead Men Tell No Tales Zorro

By S. R. Curtis, Sandra R. Curtis

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El Origen De LA Leyenda Zorro

By Maria Aurora Martinez Ramos, Sandra R. Curtis

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Joy of Movement in Early Childhood

By Sandra R. Curtis

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The joy of movement in early childhood

By Sandra R. Curtis

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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.