[SpeakEasy]

AND

The way he illustrates sample hands -- with the little oval, players and stack sizes -- is the most effective way to illustrate a hand. Better than all other poker books that I have read.

This diagram is so much better than just text description of a hand. Poker players naturally visualize a table and players sitting around it, so placing the players on a simple diagram it an incredibly useful aid. Greenstein has something like this with pictures of cards and chips, but the Harrington method is more useful because its uncluttered and simple -- table, players, stack size, button, SB, BB.