Law and "Law" in Baseball

Here's a good story talking about baseball's "codes" as to civility and conduct, in advance of publication of The Baseball Codes: Beanballs, Sign Stealing, and Bench-Clearing Brawls: The Unwritten Rules of America's Pastime.

It is not nearly as clear as ""three simple things. Respect your teammates, respect your opponents and respect the game." Far more gray area, thus enough stories to support a book.