This collection is a look through the microscope at the real fundamentals of our buildings, revealing the essential design techniques used by any architect, anywhere, anytime. Conceived by Rem Koolhaas and made with the Harvard Graduate School of Design, it is a primordial toolkit to understanding how seemingly stable elements are actually in constant evolution.

S,M,L,XL presents a selection of the remarkable visionary design work produced by the Dutch firm Office for Metropolitan Architecture (O.M.A.) and its acclaimed founder, Rem Koolhaas, in its first twenty years, along with a variety of insightful, often poetic writings. The inventive collaboration between Koolhaas and designer Bruce Mau is a graphic overture that weaves together architectural projects, photos and sketches, diary excerpts, personal travelogues, fairy tales, and fables, as well ...