David Mezzapelle Books

Contagious Optimism

By David Mezzapelle, Terri McMahon, David Kelly

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Contagious optimism

By David Mezzapelle

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"Where are you on your life journey? Do you want a different life, but aren't sure how to find it? How do you discover your passion? How do you take charge of your professional future? Start using...

Contagious Optimism

By David Mezzapelle

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10 Habits of Truly Optimistic People

By David Mezzapelle, Will Glennon

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10 Habits of Truly Optimistic People

By David Mezzapelle

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Contagious Optimism Uplifting Stories and Motivational Advice for Positive Forward Thinking

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Contagious Optimism

By David Mezzapelle

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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.