Mark Rennella Books

Learning to change the world

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There are thousands of social entrepreneurship programs in various stages of planning and implementation at any given time. For the most part, these programs start out small with the intention of s...

The Boston Cosmopolitans: International Travel and American Arts and Letters

By Mark Rennella

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The Boston Cosmopolitans

By M. Rennella

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Boston Cosmopolitans

By M. Rennella

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Entrepreneurs managers and leaders

By Anthony J. Mayo

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Boston Cosmopolitans

By Mark Rennella

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Entrepreneurs Managers and Leaders

By Nitin Nohria, Anthony J. Mayo, Mark Rennella

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One Idea Rule

By Mark Rennella

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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.