Sets forth advanced concepts of poker which include strategies and ploys for analyzing opponents, encouraging winners to quit and losers to stay in the game, raising the stakes, and winning quickly
A useful guide, more for a regular intermediate or advanced player. Went straight into too much detail for me.
Useful if you really want to make a potential living from poker but excessive if you just want to do better against some friends 3-4 times a year in low stakes games.
Out-of-date for the professional aspects of poker and a good deal of the private games, but some timeless insights into human nature and how to manipulate it (or more optimistically, avoid being manipulated).