This sixth installment of “Architecture Now!” features buildings ranging from Fujimori’s tiny (6.07 sq meters) Teahouse Tetsu to Foster’s gigantic Crystal Island in Moscow (1.1 million sq meters), providing an arching overview of today’s architecture, from traditional to radically avant-garde. What is the zeitgeist, and whither architecture in this new century? “Architecture Now! 6” is the reference for what’s happening now and what’s to come. Easy-to-navigate illustrated A-Z entries include current and recent projects, biographies, contact information, and websites.