Roger Parker Books

A History of Opera

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A bold, engaging exploration of opera's fundamental nature and enduring appeal, from the sixteenth century to the present. There are lively discussions of opera's social, political, and literary ba...

A History of Opera

By Roger Parker, Carolyn Abbate

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Remaking the song

By Roger Parker

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Giacomo Puccini: La Boheme

By Arthur Groos, Roger Parker

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Studies in early Verdi, 1832-1844

By Roger Parker

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Office pour Windows pour les nuls

By Roger Parker

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Eine Geschichte der Oper

By Roger Parker, Carolyn Abbate

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A History of Opera: The Last Four Hundred Years

By Roger Parker, Carolyn Abbate

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London Voices 1820 1840

By Susan Rutherford, Roger Parker

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History of Opera

By Roger Parker, Carolyn Abbate

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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.