Armando Petrucci Books

Public lettering

By Armando Petrucci

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Writers and Readers in Medieval Italy: Studies in the History of Written Culture

By Armando Petrucci

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In this fascinating book, one of the world's foremost authorities on writing and the social history of books discusses reading and writing in medieval Italy. Armando Petrucci addresses concerns cen...

Writing the dead

By Armando Petrucci

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Written by one of the world's leading paleographers, this book poses two fundamental questions: When did human beings begin - and why have they continued - to decide that a certain number of their...

Jeux de lettres

By Armando Petrucci

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Chartae latinae antiquiores

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Chartae latinae antiquiores

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Escribir y leer en occidente

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Alfabetismo Escritura Sociedad

By Armando Petrucci

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Escribir y Leer En El Siglo de Cervantes

By Armando Petrucci, Antonio Castillo

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Libros, editores y publico en la Europa moderna

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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.