Boek James Lee Byars : What is question? : responses from Friedhelm Mennekes, Heinrich Heil, William Charlton, Jean-Michel Ribettes given at The Temple of the Four Winds, Castle Howard, North Yorkshire, 8th march 1996 Friedrich Mennekes (), Heinrich Heil (), William Charlton (), Jean-Michel Ribettes () 'What is question?' coincides with the exhibition of the work of James Lee Byars at the Henry Moore Institute Uitgever Henry Moore Institute (1996)