Heriberto Frias Books

The Battle of Tomochic: Memoirs of a Second Lieutenant

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"The Battle of Tomochic: Memoirs of a Second Lieutenant is the fictional account of the October 1892 military campaign mounted by the Mexican Army that culminated in the massacre of the small but c...

Leyendas historicas mexicanas y otros relatos

By Heriberto Frias

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El ultimo duelo

By Heriberto Frias

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Biblioteca del nino mexicano

By Heriberto Frias

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La guerra contra los gringos

By Heriberto Frias

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Tomochic

By Heriberto Frias

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La palabra de la reforma en la republicade las letras

By Heriberto Frias, Ignacio Manuel Altamirano, Jose Tomas De Cuellar, Ignacio Ramirez

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Escritura enjuiciada

By Heriberto Frias

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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.