Pedro De Rivera Books

Pedro De Rivera and the Military Regulations for Northern New Spain 1724 1729

By Thomas H. Naylor

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Imaginary kingdom

By Pedro De Rivera

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The diaries of Pedro de Rivera and the Marques de Rubi, written in the eighteenth century during inspections of the far northern frontier of New Spain, are crucial documents for studying and unders...

Diario y derrotero de la visita a los presidios de la America septentrional espanola

By Pedro De Rivera

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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.