Despite a continual morphing of the large, high-profile, temporary, group-identity exhibition, the provocative case studies published in this issue of Art Journal argue that, in the fifteen years between Magiciens de la terre and Documenta 11, the genre operated in a closed-loop system. The roller-coaster image chosen by Norman Kleeblatt for the title of the 2004 College Art Association session ("Identity Roller Coaster: From Magiciens de la terre to Documenta 11") in which the essays were first presented alludes to the end-game aspect of the ride as well as to its tips and downs, its twists and turns, its exhilarating and terrifying speeds, its performance as spectacle, and its ultimate …