Michael Holley Books

Never Give Up

By Tedy Bruschi, Michael Holley

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Papi

By David Ortiz

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David "Big Papi" Ortiz is a baseball icon and one of the most popular figures ever to play the game. As a key part of the Boston Red Sox for 14 years, David has helped the team win 3 World Series,...

War Room

By Mirron Willis, Michael Holley

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The Big Three

By Michael Holley

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The Big Three

By Michael Holley

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From Darkness to Dynasty

By Jerry Thornton, Michael Holley

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Patriot Reign

By Michael Holley

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Patriot Reign

By Michael Holley

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Patriot Reign

By Michael Holley

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Patriot Reign

By Michael Holley

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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.