Oscar Collazos Books

La modelo asesinada

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Just when he believes that he will not return to explore the underworld of his beloved Bogota, an honest ex-prosecutor discovers the assassination of a top model, and his instinct leads him to inve...

Jovenes, pobres amantes

By Collazos Oscar

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Garcia Marquez, la soledad y la gloria

By Collazos Oscar, Oscar Collazos

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La muerte de Erika

By Oscar Collazos

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A golpes

By Collazos Oscar

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La ballena varada

By Collazos Oscar

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Malraux

By Collazos Oscar

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Y sin embargo se mueve

By Oscar Collazos

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Los dias de la paciencia

By Oscar Collazos

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El exilio y la culpa

By Collazos Oscar

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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.