The text you are looking for likely pertains to Larry Williams' seminal two-volume work, The Definitive Guide to Futures Trading

Read Chapters 1-4 (Philosophy and The Williams %R). Do not trade. Just watch charts. Week 2: Chapters 5-9 (COT Data and Seasonality). This is the "holy grail" section. Week 3: Chapters 10-15 (Short-term timing systems). Code these into your trading platform (TradingView, NinjaTrader). Week 4: Chapters 16-18 (Money management and Psychology). Read this twice.