EDITing in the Dark: Hard Fun

I'm getting ready for a lecture that I'm giving tomorrow and Thursday to a class that deals with the psychology of technology (in the Faculty of Education - so it's Ed Psych) and one of the points that I had come up with to help legitimize game based learning is Papert's "Hard Fun" (2002). There seem to be a fair number of resources here, but I thought I would post them here (more for myself as this blog generally seems to be - editing in the dark in all... These articles don't really mention where they got the term from, so if not directly related, it's on topic at least.