edit by David M. Davidson and David Blot edited by Susan Davidson and David White edit by Dale T. Griffee and David Hough edited by David Bevington and David Scott Kastan edit by Harvey P. Greenspan and David J. Benney edited by David G. Gliddon and William J. Rothwell. edit by David Campton and A. L. Jones edit by Jack C. Richards and David Nunan Edited by david E.Andersson and Jessie P.H. Poon edited by Simon Davidson and Steven Carber.