Robert Mayhew Books

Ayn Rand and Song of Russia

By Robert Mayhew

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Foundations of a free society

By Gregory Salmieri, Robert Mayhew

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Aristotle's criticism of Plato's Republic

By Robert Mayhew

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The first five chapters of the second book of Aristotle's Politics contain a series of criticisms leveled against Plato's Republic. Despite the many studies on Aristotle's Politics, these chapters...

Aristotle's criticism of Plato's Republic

By Robert Mayhew

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The first five chapters of the second book of Aristotle's Politics contain a series of criticisms leveled against Plato's Republic. Despite the many studies on Aristotle's Politics, these chapters...

English geographies 1600 1950

By Langton John, Robert J. Mayhew, Elizabeth Baigent

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New Perspectives on Malthus

By Robert Mayhew

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Ayn Rand Answers

By Ayn Rand, Bernadette Dunne, Robert Mayhew

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A Compendium of Authentic and Entertaining Voyages Thoemmes Press Travel Accounts and Exploration Narratives

By Tobias Smollett

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Deutsches Kriegsziel Irak

By Robert Mayhew

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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.