Beating the Street is a practical investment guide in which Peter Lynch explains how he evaluates companies, selects stocks, and develops an investment strategy. Drawing on his experience managing Fidelity's Magellan Fund, Lynch discusses company research, financial statements, stock categories, valuation, and portfolio construction.

The book uses detailed company examples and case studies to demonstrate Lynch's approach to identifying potential investments and understanding the businesses behind stock prices. It also covers mutual funds and provides a framework for individual investors studying the stock market.