John Key, The Gilgit Game,

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This book does an excellent job of teaching you all the different elements in game design. It also includes some of the tricks pro developers use as well! A nice bonus. The book is written in "simple to follow" English so as to not discourage anyone from following the lessons. I highly recommend this to all the gamers out there that want to get into game or level design!

Long before Moneyball became a sensation or Nate Silver turned the knowledge he’d honed on baseball into electoral gold, John Thorn and Pete Palmer were using statistics to shake the foundations of the game. First published in 1984, The Hidden Game of Baseball ushered in the sabermetric revolution by demonstrating that we were thinking about baseball stats—and thus the game itself—all wrong. Instead of praising sluggers for gaudy RBI totals or pitchers for wins, Thorn and Palmer argued in favor of more subtle measurements that correlated much more closely to the ultimate goal: winning baseball games.