Pat Harrigan Books

First Person

By Pat Harrigan, Noah Wardrip Fruin

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Zones of Control

By Matthew G. Kirschenbaum, Pat Harrigan, Elizabeth M. Bartels, Jeremy Antley, James F. Dunnigan

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Zones of Control

By Matthew G. Kirschenbaum, Pat Harrigan, James F. Dunnigan

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A look at wargaming’s past, present, and future—from digital games to tabletop games—and its use in entertainment, education, and military planning.With examples from Call of Duty: Modern Warfare,...

Second Person

By Pat Harrigan, Noah Wardrip Fruin

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Game designers, authors, artists, and scholars discuss how roles are played and how stories are created in role-playing games, board games, computer games, interactive fictions, massively multiplay...

Zones of Control

By Matthew G. Kirschenbaum, Pat Harrigan, James F. Dunnigan

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Zones of Control

By Matthew G. Kirschenbaum, Pat Harrigan, James F. Dunnigan

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Port Noble

By Pat Harrigan, Doug Shaw, Matthew Kessen, Matt Gray, Mike Hallenbeck

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Lecture Tour

By Pat Harrigan

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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.