Pietro C. Marani Books

La Vergine delle Rocce della National gallery di Londra

By Pietro C. Marani

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Leonardo da Vinci, 1452-1519

By Catherine Bolton, Maria Teresa Fiorio, Pietro C. Marani, Sonia Atkinson, Paul Metcalfe, Carmen Bambach

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"As a versatile and highly ingenious man, Leonardo da Vinci perfectly embodied the universalist spirit of his age. A painter, sculptor, engineer, anatomist, musician and inventor, he was active in...

Il cenacolo

By Pietro C. Marani, Petra Arndt

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Leonardo e i leonardeschi nei musei della Lombardia

By Pietro C. Marani

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Leonardo and the Litta Madonna

By Andrea Di Lorenzo, Pietro C. Marani

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Leonardo da Vinci

By Pietro C. Marani

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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.