Osvaldo P. Amelio Ortiz Books

The newly-wed Cinderella is unhappy living in a clean palace, and eventually she breaks down and tells the prince the real reason she cannot enjoy her new life.

Tato y su bata de lata

By Osvaldo P. Amelio Ortiz

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Nicolas Donde Estas

By Osvaldo P. Amelio Ortiz

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Anita Takes Notes

By Osvaldo P. Amelio Ortiz

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Anita Anota

By Andrea Rodriguez Vidal, Osvaldo P. Amelio Ortiz

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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.