1991- 1997 Letters about thinking and art in covers designed by:
Walter Swennen, Ben Vautier, Guilliaume Bijl, Pierre Mertrens, Guy Bleus, Lynn Cohen, Roger Raveel … editors Rudy Vanschoonbeck, Bert Danckaert, Frans Roggen and Pierre Mertens
Pierre Mertens’ envelope was about the ‘Dutroux period’ in Belgium