The Sketchbook 2022 is particularly significant as it represents some of his final works. Looking through the pages, one is struck not by a decline in ability, but by a mastery that remained razor-sharp until the very end. The collection serves as an educational goldmine for aspiring artists. By studying the PDF, one can analyze his approach to composition, his unique method of visualizing 3D space on a 2D plane, and his economy of line—where a single stroke often serves as both outline and shadow.