Emilio Calderon Books

El secreto de la porcelana

By Emilio Calderon

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Creator s Map

By Emilio Calderon

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The Creator's Map

By Emilio Calderon

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The Creator's Map

By Emilio Calderon

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A beautiful librarian pursued by the Nazis must protect a mysterious document said to be penned by God's own handEmilio Calderón is a true master of the historical novel, able to infuse a spec...

Biblioteca

By Emilio Calderon

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Los Sauces de Hiroshima

By Emilio Calderon

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La biblioteca

By Emilio Calderon

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Los Ojos con Mucha Noche

By Emilio Calderon

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Vertigo

By Emilio Calderon

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Aroma de guerra y cafe Scent of War and Coffee

By Emilio Calderon

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Una historia de pasión y secretos que cambiará la vida de los protagonistas como solo la guerra o el amor pueden hacerlo. 1942, Japón. Mientras la Segunda Guerra Mundial esta...

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.