Owen Ullmann Books

Stockman: The Man, The Myth, The Future

By Owen Ullmann

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Stockman: The Man, The Myth, The Future

By Owen Ullmann, O. Ullmann

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Stockman

By Owen Ullmann, Ullmann

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By Owen Ullmann. Includes Index.

Named one of Investopedia's 7 Best Economics Books of 2022The trailblazing story of Janet Yellen, the Ruth Bader Ginsburg of economics, and her lifelong advocacy for an economics of empathy that de...

Empathy Economics: Janet Yellen'S Remarkable Rise To Power And Her Drive To Spread Prosperity To All

By Owen Ullmann

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Empathy Economics : Janet Yellen'S Remarkable Rise To Power And Her Dr...

By Owen Ullmann

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Empathy Economics : Janet Yellen'S Remarkable Rise To Power And Her Dr...

By Owen Ullmann

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Empathy Economics : Janet Yellen'S Remarkable Rise To Power And Her Dr...

By Owen Ullmann

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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.