In his own write:
Trigger Happy is a book about the aesthetics of videogames — what they share with cinema, the history of painting, or literature; and what makes them different, in terms of form, psychology and semiotics. It was first published in 2000; this is the revised edition with the Afterword written in 2001. It’s offered under a CC license, for a limited time only. I’m not sure how limited that time will be, so grab it while it’s hot.
I read the book about five years ago, and it totally transformed the way I look at video games. It really is as good a piece of games journalism as you’ll find, and you’d be a huge wally not to grab it while you can.
A complete archive of Poole’s Edge columns is also available at his site. Read, read, read.