"Perceptual Drawing" presents a practicum of 10 plus drawings which lead the reader in a detailed explanation of various perceptual concepts considering line and tone. "Perceptual Drawing" is a study of seeing and drawing what-is-seen. Using geometric forms in various setups, it is an attempt to understand, in a comprehensive manner, those perceptual concepts useful to the practitioner. A theory of the picture plane is presented in the section on line and in the section on tone a theory of relative values. Some 60 illustrations and diagrams throughout the text present useful instruction for artists and instructors.