Seirawan doesn't really cover pawn breaks or freeing/undermining moves at all, so you might need another book to supplement that. A few books that touch on this important topic are Hans Kmoch's Pawn Power in Chess, Kotov's chapters in The Art of the Middlegame, Andrew Soltis' Pawn Structure Chess and Mark Dvoretsky's Strategic Play. Writers like Nimzowitsch, Marovic and Watson discuss pawn breaks in the context of pawn chains, but you may need a bit more than that if you are going to understand structures like the Maroczy Bind or hedgehog formations.
Andrew Latham has some notes on pawn structures on a web page here. Aleksey Bartashnikov also has a CD set from Chessbase called Basic Principles of Chess Strategy which touches on some of these issues.
I'm looking for a chess book, that would help out someone like me, in the 1400-1600 range, in terms of strategy, planning, and positional play.
I do tons of tactics problems daily (rated about 1740 on chesstempo, and 1650 in TT), and so I do know a lot of patterns and basics of tactics.
I just have trouble setting up for an attack once I have developed my pieces. I advance pawns and pieces towards the enemy, or go after any unprotection pieces or simply put my pieces on diagonals/files that give it more ability.
However, sometimes my position becomes so strained that due to limited squares to move my peices I am more likely to make a blunder or mistake.
I also play a ton of blitz games, 5-min, 10-min, 1-min. I do play some online chess, but very few games compared to blitz/bullet.
What do you think is the most appropriate chess book for me?
I was thinking of one of Silman's books or Yasser's books like this one:
http://www.amazon.com/Winning-Chess-Strategies-revised-Everyman/dp/1857443853/ref=sr_1_7?ie=UTF8&s=books&qid=1271477627&sr=8-7
What do you think? Thank you for any help.