Purchase 'The Ultimate Trading Guide' ISBN 0-471-38135-7 and nothing else. Try using CCI when the histogram crosses +/-110 and makes a bottom/top but NOT A SPIKE and trade the reversal.
Take care of clayburg multiphase. You will lose your money if you follow their signals.
This's their performance during last year
USD/CHF -6450
GBP/USD -3140
USD/JPY -2610
EUR/JPY -1370
EUR/USD +2010 (Max drawdown -3140)