Hardcover, 2022, 220 pp., 1,050 illustrations. In architecture, as in many fields, the best method of learning is to learn from the experts. Here, the author, using modern drawing software, has redrawn the plans, elevations, sections, and axonometric drawings from 138 architectural works by the renowned Louis I. Kahn, one of the most important architects of the 20th century in the United States. In so doing, the author arrives at a new and objective perspective to understanding Kahn and his work, creating an invaluable resource for future study. By working through and observing the sketches in a chronological order, Kahn's spatial characteristics and variations can be seen in a holistic way.