*tap, tap, tappin' the glass*
All of the above recommendations are good.
But get the ones that apply to your level or buyin or type of cash game, tournament, sitngoes, etc...
For Micros, BlackRain79's new e-book "Crushing The Micros"
Verneer's latest Building a Bankroll, Full Ring Edition
http://forumserver.twoplustwo.com/33...ition-1163640/
Poker Blueprint, Let There Be Range, as you move up...
Easy Game 3 (for when you get out of the micros, midstakes and higher) ...
and above there you better be reading forums and talking poker daily to know what current trends are and how to deal with every type of situation.