Chiara Frugoni Books

A Day in a Medieval City

By Chiara Frugoni

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Books, Banks, Buttons

By Chiara Frugoni

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"Once regarded by historians as a period of intellectual stagnation, the Middle Ages were actually a time of extraordinary cultural and technological innovation. This romp through the inventions of...

St. Francis

By Chiara Frugoni

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A distant city

By Chiara Frugoni

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Francis of Assisi

By Chiara Frugoni

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Franz von Assisi. Die Lebensgeschichte eines Menschen.

By Chiara Frugoni

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Botones bancos brujulas

By Chiara Frugoni

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La Edad Media de las mil invenciones. Este libro recoge, a través de un relato fascinante, la historia documentada de esa Edad Media con sonriente ironía y ricas ilustraciones. La Edad Media es rec...

Gli affreschi della Cappella Scrovegni a Padova

By Chiara Frugoni

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Filmed after the recent restorations in 2002, the documentary by Land Comunicazioni provides a splendid view of the Scrovegni Chapel in Padua.

Una lontana citta

By Chiara Frugoni

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L affare migliore di Enrico

By Chiara Frugoni

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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.