We have a new publication date for Online Gaming in Context: The Social and Cultural Significance of Online Games book, edited by Garry Crawford, Victoria K. Gosling and Ben Light (published by Routledge). My own piece is titled: “Games in the Mobile Internet: Understanding Contextual Play in Flickr and Facebook”. The new date is in September. You should be able to get discount if you order in advance. Link: http://www.routledge.com/books/details/9780415556194/
Edit: here is a link to a form that you can use to get 20% discount.