diesel wrote:
Three words: "Weaver on Strategy"   

A copy of this wonderful book came bundled with my purchase of the EARL WEAVER BASEBALL II (Commemorative Edition) PC game. While the game is now long gone, I still have the book. Obviously not everything in the book can be applied directly to simulation baseball, nevertheless I have found it to be an invaluable resource over the years.   
Remember "Ask Earl" during the game?  Actually I played the first edition only, loved it and consistently beat it.  I'll never forget when I squeeze on the AI in the bottom of the 9th and beat Earl once again.