Robert Greene Books

James the Fourth Revels Plays

By Robert Greene Undifferentiated

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The Scottish history of James the Fourth

By Robert Greene

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The Laws of Human Nature

By Robert Greene

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From the #1 New York Times-bestselling author of The 48 Laws of Power comes the definitive new book on decoding the behavior of the people around you. This is the only authorized hardcover edition...

The Laws of Human Nature

By Robert Greene Undifferentiated

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The Plays And Poems Of Robert Greene V2

By Robert Greene

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The Daily Laws

By Robert Greene

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A NEW YORK TIMES BESTSELLER From the world’s foremost expert on power and strategy comes a daily devotional designed to help you seize your destiny. This is the only authorized hardcover...

Cardboard Condo

By Robert C. Greene

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Mastery

By Robert Greene

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Robert Greene, the "modern Machiavelli" debunks the prevailing mythology of success and presents a radical new way to greatness.

The 48 Laws of Power

By Robert Greene

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Amoral, cunning, ruthless, and instructive, this multi-million-copy New York Times bestseller is the definitive manual for anyone interested in gaining, observing, or defending against ultimate con...

The Art of Seduction

By Robert Greene

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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.