Shawn Graham has just published two chapters in  Kevin Kee (ed) Pastplay: Teaching and Learning History with Technology (Ann Arbor: University of Michigan Press, 2014): ‘Rolling Your Own: On Modding Commercial Games for Educational Goals’ pp. 214-254 and, authored with Kevin Kee, ‘Teaching history in an age of pervasive computing: the case for games in the high school and undergraduate classroom’, pp. 337-366. He was featured in an article on games and archaeology in Kill Screen Magazine:
http://killscreendaily.com/articles/articles/feature/minecraft-no-mans-sky-and-hunt-true-archaeology-sim/