Go to Chapter 8 (Airfoil selection). Gudmundsson provides a list of GA-specific airfoils (NACA 63-415, 23012, etc.) and explains how to pick one based on maximum lift coefficient and pitching moment, not just drag.
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Gudmundsson introduces the iterative nature of design. You start with a requirement (e.g., "fly 600 nm with two people at 150 knots"). You guess a weight, pick a wing area, and run the numbers. The output tells you your guess was wrong—so you adjust. The book provides the spreadsheets and convergence methods to make this spiral converge quickly. Go to Chapter 8 (Airfoil selection)
Each chapter is organized logically, often ending with "Design Steps" that summarize how to apply the theory to a real project. Common Criticisms Massive Volume: You start with a requirement (e