Donald George Books

Master singers

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Through interviews with some of today's most accomplished and renowned concert and operatic singers, including Stephanie Blythe, David Daniels, Joyce DiDonato, Denyce Graves, Thomas Hampson, Jonas...

Master Singers: Advice from the Stage

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Mathematical Modelling for Economists

By Donald A. R. George, Donald George

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Mathematical Modelling for Economists

By Donald George

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Scotland the What

By George Donald, Buff Hardie, Stephen Robertson

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Scotland the What

By George Donald, Buff Hardie, Stephen Robertson

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Master Singers

By Donald George, Lucy Mauro

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Economic Democracy

By Donald A. R. George

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Master Singers

By Donald George, Lucy Mauro

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Mathematical Modelling for Economists

By Donald George

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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.