New edition 2020, cloth, 264pp, 143 color, 345 illus, edited by LAN Architects, Jallon et Napolitano, ex. cat. Pavillon de L'Arsenal Brilliant review of Haussmann plan and work in the 1840s, to completely update Paris. Adding schools and sewers, roads and neighborhoods. To then consider the plan from the needs, today, from the task, today.