Actual Book: https://github.com/zhang-yan-talendbj/book/blob/master/Agile%20Game%20Development%20with%20Scrum.pdf
Clinton Keith Notes: http://clintonkeith.com/resources/Agile-Scrum-and_Kanban-for-Video-Game-Development.pdf
Condensed slide version: http://www.slideshare.net/matasid/agile-gamedevelopmentwithscrum
Gamasutra article: http://www.gamasutra.com/view/feature/6040/agile_game_development_with_scrum_.php?print=1
More slides: http://www.slideshare.net/mikecohn/agile-and-scrum-for-video-game-development-22871287