Bill Pennington Books

The Heisman: Great American Stories of the Men Who Won

By Bill Pennington

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The Heisman

By Bill Pennington

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Hacker's Challenge 2: Test Your Network Security & Forensic Skills

By Bill Pennington, Mike Schiffman, David Pollino, Adam J. O Donnell

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Hacker's Challenge 3: 20 Brand New Forensic Scenarios & Solutions

By Bill Pennington, Himanshu Dwivedi, David Pollino, Tony Bradley

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Billy Martin

By Bill Pennington

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"Martin is a story of contrasts. He was the clutch second baseman for the dominant New York Yankees of the 1950s. He then spent sixteen seasons managing in the big leagues, and is considered ... to...

The Winning Spirit

By Bill Pennington

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Hackers 19

By Bill Pennington, David Pollino, Adam O Donnell

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Heisman

By Bill Pennington

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Heisman

By Bill Pennington

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The Heisman

By Bill Pennington

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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.