John Rosselli Books

'A sigh in dancing pumps' was Heinrich Heine's view of Vincenzo Bellini. His great physical beauty, boundless success as a composer of romantic opera and untimely death in Paris at the age of thirt...

The Life of Bellini

By John Rosselli

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Democracy in International Law: Inaugural Lecture, Delivered 5 March 1993

By Crawford James, James Crawford

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News Talk: Investigating the Language of Journalism

By Colleen Cotter

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The Life of Verdi Musical Lives

By John Rosselli

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"Verdi's long life spanned Napoleonic rule and the age of broadcasting. He was the last great composer to give direct voice to basic human emotions, yet he was not always as straightforward as the...

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.