Book excerpt: Explains the importance of detailed studies on price patterns. Attempts to find forecastable events based on the relation between opening, closing, high and low prices. Includes computer-tested answers to many common short term trading questions. Consists of 5 sections: 1) opening range breakouts, 2) short-term price patterns, 3) patterns of expansion and contraction, 4) combination of price patterns with expansion and contraction patterns, and 5) openings and closings that occur in various segments of a price bar; includes the results of computer analysis for each topic. We highly recommend this book for the serious short-term trader.