In this latest issue of <i>Architectural Design</i> the guest editors are drawn, like the content, from contrasting tastes and generations. Charles Jencks, the definer of Post-Modernism for thirty years, discusses some issues that have re-emerged today, while the young group of British architects, FAT, argues for a particular version of RPM. An interview between Rem Koohaas and Charles Jencks discusses the influence of Post-Modernism while investigations of street art, graffiti and the 1980 Venice Biennale show that communication is at the heart of this radical strain of architecture. <ul><li>This issue brings together an unlikely and exciting pairing of guest-editors: internationally acclaimed critic Charles Jencks, whose name became synonymous with Post-modernism in the 80s, and the dynamic architectural group, FAT.<li>Features work by: ARM, Atelier Bow Wow, Édouard François, FOA, Rem Koolhaas, John and Valerio Olgiati.</ul>