Brian Duffy Books

The Fall of Pan Am 103

By Steven Emerson, Brian Duffy

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Main Justice

By Jim McGee, Brian Duffy, James Mcgee

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Jim McGee and Brian Duffy take us behind the walls of Main Justice, as the department's headquarters is known to insiders, to show how its awesome powers to investigate and punish wrongdoing are us...

The fall of Pan Am 103

By Steven Emerson

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More of Duffy

By Brian Duffy

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A decade of Duffy's

By Brian Duffy

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Duffy

By Chris Duffy

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America s Best Colleges 2003

By U. S. News World Report Staff

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U.S. News and World Report, America's Best Graduate Schools

By Brian Duffy

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Morality identity and narrative in the fiction of Richard Ford

By Brian Duffy

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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.