Pietro Giglio Books

Enciclopedia della Valle d'Aosta

By Pietro Giglio

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Monte Bianco

By Pietro Giglio

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Souvenir Valle d Aosta

By Umberto Andreetto, Pietro Giglio

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Mountains

By Nathalie Herschdorfer Pietro Giglio

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Scale the earth's most inspiring mountains through photographs culled from the Magnum archives by some of the world's most celebrated photographers.Magnum Photos is arguably the most celebrated pho...

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.