edited by David Walker and Agnieszka Sobocinska. edited by David Harper and Andrew R. Thompson. edited by Paul Walker and Marie John. edited by David Gardner and lindsay Miller. edited by David Morley and Philip Neilsen. edited by David Birks and Thomas Douglas. edited by David Drake and Bill Fawcett. edited by David Faure and Lee Pui-tak. edited by David Owen and Lesley Peterson. edited by Cathy Fenner and Arnie Fenner.