Santos Julia Books

Demasiados retrocesos

By Santos Julia, Julio Jordan

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Manual de historia politica y social de Espana

By Miguel Martorell Linares, Santos Julia

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Los socialistas en la politica espanola, 1879-1982

By Santos Julia

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Manuel Azana una biografia politica

By Santos Julia

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Vilipendiado hasta el extremo por sus adversarios y admirado, más que querido, por sus correligionarios, la personalidad y la obra de Manuel Azaña (1880-1940) —oscura, frustrada, difícil, para unos...

Historias de las dos Espanas

By Santos Julia

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Madrid Historia De Una Capital

By Santos Julia, Julia Santos

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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.