Wow, it's huge topic.
I like:
Trading in the zone: Master the market with confidence, discipline and at winning Attitude - Mark Douglas
Way of the turtle, The secret method that turned Ordinary People - Curtis M. Faith
Trader Vic - Victor Sperandeo
Schwager on Futures. Technical Analysis - Jack Schwager (I don't like this book but is helpful)
The New Trading for a Living: Psychology, Discipline, Trading Tools and Systems, Risk Control, Trade Management - Alexander Elder