Forex Trading

While learning a lot about market analysis and money management is an obvious and necessary step to be a successful Forex traders, you also need to master your emotions to keep your trading performance under strict control of mind and intuition. Controlling your emotions in Forex trading is often a balancing between greed and cautiousness. Almost any known psychology practices and techniques can work for Forex traders to help them keep to their trading strategies rather to their spontaneous emotions. Problems you'll have to deal while being aprofessional Forex trader:
Your greed
Overtrading
Lack of discipline
Lack of confidence
Blind following others' forecasts
These are very professional books on psychology written specially for financial traders:
Calming The Mind So That Body Can Perform
Emotion Free Trading
The Miracle of Discipline.