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Opera 101: A Complete Guide to Learning and Loving Opera

A Night at the Opera: An Irreverent Guide to The Plots, The Singers, The Composers, The Recordings (Modern Library Paperbacks)

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The New York Times Essential Library: Opera: A Critic's Guide to the 100 Most Important Works and the Best Recordings

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The Opera Guide: 100 Popular Composers UPDATED 2017

The World Is Flat : A Brief History of the Twenty-first Century