Giulio Leoni Books

Los crimenes de la luz

By Giulio Leoni, M. P. V.

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De kruistocht van de duisternis

By Giulio Leoni

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De dichter Dante Alighieri wordt als politiek gezant naar Rome gestuurd, waar hij onderzoekt waarom de wereldlijke macht niets onderneemt tegen de moordenaars van vrouwen van lichte zeden.

The Third Heaven Conspiracy

By Giulio Leoni, Anne Milano Appel

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The Kingdom of Light

By Shaun Whiteside, Giulio Leoni

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Kingdom of Light

By Shaun Whiteside, Giulio Leoni

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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.