If you're scanning this article, you have probably played a house game or two, maybe some online Texas Hold Em. You are also researching ways to improve at poker. Texas Hold Em is an easy game to understand, but very complex, which you'll find the more you play.
All books is going to be linked after the article
If playing in money games, you have access to Phil Gordon's Little Green Book and read it. After you finish, Harrington on Cash Games 1 and 2. While you are reading, it's also advisable to be playing online, preferable somewhere cheap. Once you have gotten the hang of these books, read Ryan Fee's guide on 6max. This book is great, but runs on the great deal of short hand you may get with the first three books. While you might be reading and playing, join the forums on Two Plus Two. Post some hand histories and acquire some feedback on your own game. You can also watch some video tutorials, some is found at Deuces Cracked.
If you might be playing in tournaments, Harrington on Hold'Em 1, 2, and 3 are fantastic substitutes for Harrington on Cash Games 1 and two.
Reading these books and forums, a great deal of shorthand is thrown around. It is not scientific, much more of a means for people to share with you common situations. There will hardly ever be considered a 100% correct way to try out a hand, it's more an art form than a science. Similar to chess, everyone has a variety of playing styles, no an example may be correct.
Phil Gordon's Little Green Book: Lessons and Teachings in No Limit Texas Hold'em by Phil Gordon
Harrington on Cash Games, Volume I: How to Play No-Limit Hold 'em Cash Games by Dan Harrington poker online indonesia
Harrington on Cash Games, Volume II: How to Play No-Limit Hold 'em Cash Games by Dan Harrington
Harrington on Hold 'em Expert Strategy for No Limit Tournaments, Vol. 1: Strategic Play by Dan Harrington
Harrington on Hold 'em Expert Strategy for No Limit Tournaments, Vol. 2: Endgame by Dan Harrington
Harrington on Hold 'em Expert Strategy for No Limit Tournaments, Vol. 3: The Workbook by Dan Harrington