First edition. This is a book about the representation of mechanism and motion, causes and effects, process and dynamics. The theories discussed here have practical applications in statistical graphics, engineering and medicine, designing web sites and on-line manuals, animations and many other uses. Beautifully illustrated with much use of color throughout. Previous books by the author, a professor of statistical evidence and information design at Yale University, are considered classics in the field. Fine condition.Loosely inserted in a commorative bookplate of William Sihler.