Javier Marias Books

Dark Back of Time

By Julian Marias

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Gualta

By Julian Marias

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Thus bad begins

By Javier Marias

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Madrid, 1980. Juan de Vere, nearly finished with his university degree, takes a job as personal assistant to Eduardo Muriel, an eccentric, once-successful film director. Urbane, discreet, irreproac...

Thus Bad Begins

By Javier Marias

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INTERNATIONAL BESTSELLER • From the award-winning author of The Infatuations comes the mesmerizing story of a couple living in the shadow of a mysterious, unhappy history—a novel about t...

The Library of the Lost

By Roger Dobson, Mark Valentine, Javier Marias

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A heart so white

By Julian Marias

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A heart so white

By Julian Marias

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All Souls

By Julian Marias

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Tomorrow in the battle think on me

By Julian Marias

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A Heart So White

By Julian Marias

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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.