Felipe Castro Gutierrez Books

"Based in part on a recently discovered collection of legal documents in the Biblioteca de la Real Academia de Historia in Madrid, this revisionist version of the reasons for the 1767-68 rebellions...

La rebelion de los indios y la paz de los espanoles

By Felipe Castro Gutierrez

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"Abundantly illustrated, popularly written account of the Indian rebellions and the varying Spanish attempts to mediate or to repress them. Rebellions reminded the Spaniards that they were not deal...

La ruptura de la nacion

By Felipe Castro Gutierrez, Victor Manuel Durand Ponte

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Los tarascos y el imperio Espanol 1600 1740 The Tarascos and the Spanish Imperialism 1600 1740

By Felipe Castro Gutierrez

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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.