Marvin Karlins Books

Man Controlled

By M. Karlins, L. Andrews

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Phil Hellmuth Presents Read 'Em and Reap: A Career FBI Agent's Guide to Decoding Poker Tells

By Pierre Dukan, Marvin Karlins, Phil Hellmuth

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What Every Body Is Saying: An Ex-FBI Agent's Guide to Speed-Reading People

By Pierre Dukan, Joe Navarro, Marvin Karlins

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Joe Navarro, a former FBI counterintelligence officer and a recognized expert on nonverbal behavior, explains how to "speed-read" people: decode sentiments and behaviors, avoid hidden pitfalls, and...

Human Use of Human Resources

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The Human Use of Human Resources

By Marvin Karlins

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Romancing the Clock

By Marvin Karlins

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Romancing the Clock

By Marvin Karlins

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The last man is out

By Marvin Karlins

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Persuasion

By Marvin Karlins

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New Atoms Bomshell

By Robert Browne, Marvin Karlins

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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.