Carlos R. Martinez Assad Books

Los rebeldes vencidos

By Carlos R. Martinez Assad

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La Sucesion presidencial en Mexico

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El henriquismo, una piedra en el camino

By Carlos R. Martinez Assad

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Patria en el Paseo de la Reforma

By Carlos R. Martinez Assad, Carlos Martinez Assad

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Breve historia de Tabasco

By Carlos R. Martinez Assad, Carl Martinez Assad

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"General survey from colonial era to the early 1990s. Includes discussion of cultural and social developments, as well as the state's political and economic history"--Handbook of Latin American Stu...

La Sucesion presidencial en Mexico, 1928-1988

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"Examines Mexican presidential transitions since 1928, with subsquent chapters on every presidential campaign from Lázaro Cárdenas (1934) to Carlos Salinas (1988). Useful for historical comparison...

Asi en la vida como en el cine

By Carlos R. Martinez Assad

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En el pais de autonomia

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Mexico y Francia

By Carlos R. Martinez Assad

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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.