@book{TheoryOfFun,
title = {A Theory of Fun for Game Design},
address = {Scottsdale, Arizona},
author = {Raph Koster},
booktitle = {Theory of Fun},
pages = {244},
publisher = {Paraglyph Press},
year = {2005},
abstract = {If you are interested in game structure and design you'll really enjoy how A Theory of Fun works on two levels - as a quick inspiration guide for game designers, and as a thought-provoking discussion on how we learn, why we play games, and how learning and playing are connected.},
keywords = {design fun fundamentals game theory }
}
::