Michael Lombardi Books

Gridiron genius

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"Former NFL general manager and three-time Super Bowl winner Michael Lombardi reveals what makes football organizations tick at the championship level. From personnel to practice to game-day decisi...

My Providence Volumes I II

By Michael Lombardi

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Best Friends

By Lexington

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Gridiron Genius

By Bill Belichick, Michael Lombardi

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NOW IN PAPERBACK: Former NFL general manager and three-time Super Bowl winner Michael Lombardi reveals what makes football organizations tick at the championship level. From personnel to practice t...

Code of Practice for Diving Program Management

By Michael Max, Rusty Mirick, Michael Lombardi

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Football Done Right

By Michael Lombardi

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Football Done Right

By Michael Lombardi

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New Italian Cookbook

By Michael Lombardi

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New Italian Cookbook

By Michael Lombardi

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PowerShell Conference Book

By Mike Robbins, Jeff Hicks, Michael Lombardi

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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.