Baseball Prospectus

• 
  via
  Baseball Between the Numbers : Why Everything You Know about the Game Is Wrong
  by Jonah Keri, Nate Silver, Baseball Prospectus Team of Experts Staff
  Hardcover, Basic Books, ISBN 0465005969 (0-465-00596-9)
• 
  It Ain't Over 'Til It's Over: The Baseball Prospectus Pennant Race Book
  by Baseball Prospectus
  Softcover, Basic Books, ISBN 0465002854 (0-465-00285-4)