Sean Glennon Books

The good the bad and the ugly New England Patriots

By Adam Kimelman, Sean Glennon

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The New England Patriots Playbook

By Sean Glennon

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"Showcasing one of professional football's best players, this book spotlights the life and career of gridiron great Tom Brady. More than just a biography, it relates Brady's story while also establ...

Good the Bad and the Ugly New England Patriots

By Sean Glennon, John Hog Hannah, John Hannah

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Game Changers

By Sean Glennon, Steve Nelson

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Game Changers New England Patriots

By Sean Glennon, Steve Nelson

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New England Patriots Playbook

By Sean Glennon, Steve Nelson

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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.