Robert Hessen Books

Steel titan

By Robert Hessen

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Capitalism

By Ayn Rand, Nathaniel Branden, Robert Hessen, Alan Greenspan

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In this series of essays, Ayn Rand presents her stand on the persecution of big business, the causes of war, the default of conservatism, and the evils of altruism.The foundations of capitalism are...

Capitalism

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Capitalism

By Ayn Rand

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Capitalism

By Ayn Rand, Anna Fields

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Berlin Alert

By Robert Hessen, Truman Smith

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Berlin Alert

By Robert Hessen

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General Claire Lee Chennault

By Robert Hessen, Hoover Institution On War Revolution And Peace.

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Breaking With Communism

By Robert Hessen, Bertram David Wolfe

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Breaking With Communism

By Robert Hessen

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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.