John Frederick Cone Books

First rival of the Metropolitan Opera

By John Frederick Cone

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Adelina Patti

By John Frederick Cone

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Jenny Lind's tribute to Adelina Patti, "There is only one Niagara; and there is only one Patti," is perhaps the most memorable of artists' tributes to the operatic diva Adelina Patti. She was a fa...

Adelina Patti

By John Frederick Cone

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First Rival of the Metropolitan Opera

By John Frederick Cone

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First Rival of the Metropolitan Opera

By John Frederick Cone

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Oscar Hammerstein s Manhattan Opera Company

By John F. Cone

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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.