Levine Michael Books

Deep cover

By Levine Michael

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The corporate address book

By Levine Michael

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The environmental address book

By Levine Michael

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Contains over 2,000 names and addresses of organizations, agencies, celebrities, political figures, and businesses (local, state, national, and international level) concerned with the state of the...

The address book

By Levine Michael, Michael Levine

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The kid's address book

By Levine Michael, Michael Levine

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Provides the addresses of movie stars, athletes, clubs, organizations, publications, musicians, and kid-related businesses and products.

The kid's address book

By Levine Michael, Michael Levine

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Provides the addresses of movie stars, athletes, clubs, organizations, publications, musicians, and kid-related businesses and products.

Fight back

By Levine Michael

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Raise your social I.Q.

By Levine Michael

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Guerrilla P.R.

By Levine Michael

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Lessons at the halfway point

By Levine Michael

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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.