Trading in the Zone: Master the Market with Confidence, Discipline, and a Winning Attitude Book by Mark Douglas

Douglas uncovers the underlying reasons for lack of consistency and helps traders overcome the ingrained mental habits that cost them money.  He takes on the myths of the market and exposes them one by one teaching traders to look beyond random outcomes, to understand the true realities of risk, and to be comfortable with the "probabilities" of market movement that governs all market speculation.