Osvaldo Guglielmino Books

El condor perdido

By Osvaldo Guglielmino

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Oratorio a la Virgen de Lujan

By Osvaldo Guglielmino

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Teatro Eva De America Regreso Al Desierto Las Ma 1 176Ed Ene19

By Osvaldo Guglielmino

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"La labor social de Eva Perón, la construcción al comienzo del siglo XX de un tren transandino que unirá la Patagonia chileno-argentina y las circunstancias políticas y sociales que motivaron la Gu...

Juan El Oso Y De Cuando Los Reyes Magos Llegaron Al Sur

By Corregidor, Osvaldo Guglielmino

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Peron y la pedagogia nacional

By Juan Domingo Peron

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Rafael Hernandez el hermano de Martin Fierro

By Osvaldo Guglielmino

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Juan sin ropa

By Osvaldo Guglielmino

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Eva de America

By Osvaldo Guglielmino

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La Virgen de Lujan y nuestra nacionalidad

By Osvaldo Guglielmino

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Peron y la revolucion humana

By Osvaldo Guglielmino

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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.