Giuseppe Pontiggia Books

Born Twice

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When a breach birth leaves Paulo severely disabled, his father, the articulate, unsentimental Professor Frigerio, struggles to come to terms with his son’s condition. Face to face with his own limi...

The invisible player

By Giuseppe Pontiggia

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The Invisible Player Eridanos Press Library No 8

By Guiseppe Pontiggia

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Le Jardin des Hesperides

By Francois Bouchard, Giuseppe Pontiggia

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Le Joueur invisible

By Giuseppe Pontiggia

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Vom Leben gewohnlicher Manner und Frauen.

By Giuseppe Pontiggia

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Zwei Leben.

By Giuseppe Pontiggia

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Vom Leben gewohnlicher Manner und Frauen

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Alguien Volo Sobre el Nido del Cuco

By Ken Kesey

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Nacido Dos Veces Born Twice

By Giuseppe Pontiggia

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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.