William Berger Books

Wagner Without Fear

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Do you cringe when your opera-loving friends start raving about the latest production of Tristan? Do you feel faint just thinking about the six-hour performance of Parsifal you were given tickets t...

Verdi With a Vengeance

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Everything you could possibly know about Verdi and his operas, from the brilliant and humorous author of Wagner Without Fear.If you want to know why La traviata was actually a flop at its premiere...

The NPR Curious Listener s Guide to Opera

By William Berger

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Traces the history of opera and its stylistic variations, discusses major operatic composers and their work, surveys classic operatic works, and offers concise profiles of legendary singers and per...

House of the Angel

By Berger William, Timothy Wilson

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House of the Angels

By Berger William

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Allergy and Asthma Relief

By William Berger

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Allergies and Asthma for Dummies

By William E. Berger, William Berger

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Puccini Without Excuses

By William Berger

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Puccini is the most beloved composer of opera in the world: one quarter of all opera performances in the U.S. are of his operas, his music pervades movie soundtracks, and his plots have infiltrat...

Asthma

By William E. Berger

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Puccini Without Excuses

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Puccini is the most beloved composer of opera in the world: one quarter of all opera performances in the U.S. are of his operas, his music pervades movie soundtracks, and his plots have infiltrat...

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.