Mark Levy Books

How to Persuade People Who Don t Want to be Persuaded
Tricks with Your Head
Tricks with Your Head

By Mark Levy, Mac King

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“Mac King is a god.” —Penn and TellerTricks with Your Head is the world’s greatest (and only) collection of hilarious, mystifying, and sometimes repulsive magic tricks that...

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The ethnic factor
The ethnic factor

By Mark R. Levy

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The Ethnic Factor How America s Minorities Decide elections
Asthma in Practice Clinical Series
Asthma in Practice Clinical
Joan Brown
Joan Brown

By Levy Mark

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Windows from a different perspective
Technicians of Ecstasy
Technicians of Ecstasy

By Mark Levy, Levy Mark

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Holmes Away from Home

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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.

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