Pierre Alien Books

L Hotel blanc

By Pierre Alien, D. M. Thomas

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Le maitre des illusions

By Pierre Alien, Donna Tartt

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J.R.R. Tolkien

By Pierre Alien, Humphrey Carpenter

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Según su autor, este libro se basa en cartas, diarios y otros papeles del desaparecido profesor J.R.R. Tolkien, y en los recuerdos de sus familiares y amigos. En él trata de contar la historia de l...

Flagellants

By Pierre Alien, Carlene Hatcher Polite

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Le Silmarillion

By J.R.R. Tolkien

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Le Silmarillion

By J.R.R. Tolkien, Christopher Tolkien, Pierre Alien, Tin Jolas

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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.