Guillermo Zamora Books

Juan Sordo Madaleno 1916 1985

By Miquel Adria, Guillermo Zamora, Juan Manuel Heredia

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Goebbels vs Hugo Chavez

By Guillermo Zamora

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2006, el ano de la izquierda en Mexico

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Caso Conasupo

By Guillermo Zamora

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Vladimir Kaspe

By Alejandro Aguilera Gonzalez, Guillermo Zamora

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"Vladimir Kaspé belonged to the last generation educated in the classical Academy and that proposed a revolution in language. This allowed him to understand that modernity was not something passed,...

Vladimir Kaspe

By Alejandro Aguilera Gonzalez, Guillermo Zamora

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Vladimir Kaspe

By Alejandro Aguilera Gonzalez, Guillermo Zamora

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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.