FRANCIS D.K. CHING is a leading global authority on architectural illustration. His numerous bestselling works have been translated into 20 languages and are regarded as classics for their renowned graphic presentation. He is Professor Emeritus at the University of Washington in Seattle. STEVEN R. WINKEL, FAIA, PE, CASp is a registered architect, civil engineer and landscape architect and is a California Certified Access Specialist. He manages the San Francisco Bay Area office of The Preview Group, Inc.. He was for eighteen years the Architect Member of the California Building Standards Commission and served on the Board of Directors of the National Institute of Building Sciences.