Thanks are due: Dr. Mary Archer, for her gracious hospitality in inviting me to visit her home, The Old Vicarage, Grantchester, and for allowing me to see her Rupert Brooke archives (complete with ghost stories); to Jane Williams, personal assistant to Dr. Archer, and to Mary Ann Marks, for their kindness in showing me around The Old Vicarage; to Dr. Karen Ross, M.D., of the Dallas County Medical Examiner’s Office, for her help with poisons and toxicology; to Betty Petkovsek, R.Ph., for her pharmaceutical advice; to Diane Sullivan, RN, BSN, for her help with other medical matters; to Paul Styles, retired Chief Inspector, Cambridgeshire Constabulary, for help with police procedures; to Terry Mayeux, Barbara Shapiro, and Carol Chase, for their reading of the manuscript; to the members of the EOTNWG, for the same; and to my husband, Rick Wilson, for his patient and continuing technical support.