EDWARD ALLEN, FAIA, has been a member of the faculties of Yale University and the Massachusetts Institute of Technology, and has frequently taught as a guest at other institutions across the United States. He is the bestselling author of The Architects Studio Companion, Architectural Detailing, Form and Forces, and Fundamentals of Building Construction, all published by Wiley.

JOSEPH IANO is an author, illustrator, and practicing architect who has taught design and technology in schools of architecture throughout the United States. He has also worked in the construction trades. Currently, he heads a Seattle design firm that provides technical and quality management consulting. He has collaborated with Edward Allen on numerous publications, including Fundamentals of Building Construction.