Roberto Mares Books

Personajes de la Revolucion

By Roberto Mares

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Para comprender la bipolaridad

By Roberto Mares

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La finalidad de este libro es dar un panorama claro y objetivo de la bipolaridad. Está diseñado como un manual de divulgación que puede ser utlizado por cualquier persona para elaborar su propia co...

Un mundo de fabula

By Roberto Mares

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Las 253 fabulas mas bellas del mundo The 253 most beautiful fables of the world

By Roberto Mares

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Los Grandes Buda Los Grandes

By Ed Tomo

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Dante

By Roberto Mares

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Los Grandes

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Porfirio Diaz Los Grandes Mexicanos

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Emiliano Zapata Los Grandes emiliano Zapata The Greatest

By Roberto Mares

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La madre Teresa

By Roberto Mares

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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.