It could be worse,' Passini said respectfully. "There is nothing worse than war. " Defeat is worse. " I do not believe it," Passini said still respectfully. "What is defeat? You go home.
Rules of Play is an exhaustive, clear, cogent, and complete resource for understanding games and game design. Salen and Zimmerman describe an encyclopedia of game design issues, techniques, and attributes. In particular, they analyze the elements that can make a game experience richer, more interesting, more emotional, more meaningful, and, ultimately, more successful. It should be the first stop you make when learning about game design.