Stefano Papi Books

Famous Jewelry Collectors

By Alexandra Rhodes, Stefano Papi

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20th century jewelry the icons of style

By Stefano Papi

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For many centuries the collecting of precious jewels was the preserve of kings and queens, emperors and maharajahs. But in the aftermath of the First World War, with the fall of several European mo...

Vita di corte in casa Savoia

By Maria Gabriella Di Savoia

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Jewellery of the House of Savoy

By Stefano Papi, Hrh Prince Michael Of Greece, Maria Gabriella

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Grandi Collezioniste Di Gioielli

By Rhodes Alexandra Papi Stefano

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Gioielli di Casa Savoia

By Maria Gabriella Di Savoia

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20th Century Jewelry The Icons Of Style

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The jewels of the Romanovs

By Stefano Papi

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Famous jewelry collectors

By Stefano Papi

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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.