In this follow-up to One Up On Wall Street, Peter Lynch draws directly on his experience managing the Fidelity Magellan Fund — at the time the world's largest mutual fund — to provide a more in-depth look at his stock selection process and the specific industries and situations he found most rewarding during his remarkable tenure. Lynch devotes substantial sections of the book to walking through individual stock picks in real time, explaining his reasoning for each and then tracking the outcomes, giving readers an unusually transparent window into the decision-making process of a master investor. He covers specific sectors including retail, financials, cyclicals, and utilities, showing how the analysis differs by industry type and what specific questions to ask about companies in each. Lynch also addresses the challenge of managing a large fund compared to a small one, and reflects honestly on the stocks he missed and the mistakes he made during his tenure. The book includes a famous section on how to analyze your local shopping mall as a source of investment ideas — a practical extension of his "invest in what you know" philosophy from the first book. While somewhat dated in its specific examples, the analytical framework and psychological observations remain as relevant as ever for individual investors willing to do their own research rather than delegate their capital to professionals.