"Pamphlet Architecture 21: Situation Normal Vol. 21" is a trade paperback book published by Princeton Architectural Press in 1999. Written by authors Paul Lewis and Marc Tsurumaki, this 80-page pamphlet explores topics related to design, drafting, drawing, and presentation in the field of architecture. The book features illustrations and insights into contemporary architectural practices, making it a valuable resource for architects and design enthusiasts looking to expand their knowledge and skills in these areas.