*Trading in the Zone: Master the Market with Confidence, Discipline, and a Winning Attitude* is a book by **Mark Douglas**, published in 2000.

The book explores the psychological aspects of trading and investing. Douglas emphasizes the importance of mindset and emotional control in achieving success in the financial markets. He provides insights into overcoming psychological barriers, developing a disciplined trading approach, and maintaining confidence amidst market fluctuations. *Trading in the Zone* is designed to help traders and investors develop the mental discipline needed to make consistent, objective decisions and improve their overall trading performance.