Xavier Barral I Altet Books

Frommer's Touring Guides: Barcelona

By Frommer S

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Barcelona & Catalonia

By Xavier Barrali Altet

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Organized chronologically and spanning some 30,000 years, this volume surveys activity in the fields of painting, sculpture, architecture, and applied arts, focusing on masterworks and the major ar...

A Barcelone et en Catalogne

By Xavier Barral I Altet

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Le temps des Croisades

By Francois Avril

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Royaumes d'Occident

By Francois Avril

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Compostelle

By Xavier Barral I Altet

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Histoire de l art

By Xavier Barrali Altet, Que Sais Je

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L' Histoire de l'art

By Xavier Barral I Altet

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L' art medieval

By Xavier Barral I Altet

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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.