Frederica Barclay Books

Tamed Frontiers

By Fernando Santos Granero, Frederica Barclay

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"This is an engaging story of major changes in the political economy, rural landscape, and civil society of Loreto, the northern portion of Peruvian Amazonia. It begins with the opening up of the A...

La colonia del Perene

By Frederica Barclay

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Ordenes y desordenes en la selva central

By Fernando Santos Granero

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"First study written from a regional perspective of economic history of the central Peruvian forest from 17th century to present. The process of constituting regional space and economic articulatio...

El estado federal de Loreto 1896

By Frederica Barclay

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Guia etnografica de la alta amazonia

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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.