Ursula Oswald Books

"Responses to 1980s economic crisis in five Mexico City slums indicate that inhabitants reduced protein-caloric intake, increased labor participation in the informal sector, sold non-essential good...

Mitos y realidades del Morelos actual

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Fuenteovejuna o caos ecologico

By Ursula Oswald

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Campesinos protagonistas de su historia

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El impacto de DICCONSA y alternativas de abasto para los grupos marginales, rurales y urbanos del sureste

By Ursula Oswald

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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.