Mary Lefkowitz Books

Greek Gods, Human Lives: What We Can Learn from Myths

By Mary Lefkowitz

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History Lesson: A Race Odyssey

By Mary Lefkowitz

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Not Out Of Africa: How Afrocentrism Became An Excuse To Teach Myth As History

By Mary Lefkowitz, Mary R. Lefkowitz

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Was Socrates black? Did Aristotle steal his ideas from the library in Alexandria? Do we owe the underlying tenets of our democratic civilization to the Africans? Hardly a week goes by when an artic...

Not Out Of Africa: How Afrocentrism Became An Excuse To Teach Myth As History

By Mary Lefkowitz

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Women in Greek Myth

By Mary R. Lefkowitz

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The Greek Plays

By Euripides, Mary Lefkowitz, Sophocles, Aeschylus, James Romm

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Euripides and the Gods

By Mary Lefkowitz

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Euripides and the Gods

By Mary R. Lefkowitz

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History Lesson

By Mary Lefkowitz

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Greek Gods Human Lives

By Mary Lefkowitz

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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.