Leprosy in Theory and Practice, edited by R. G. Cochrane, M.D., Ch.B. (Glas.), F.R.C.P. (Lond.), D.T.M. and H. (Eng.); Technical Medical Adviser, American Leprosy Missions Inc.; Adviser in Leprosy, Ministry of Health, London; Vice-president, International Leprosy Association; Honorary Member, Indian Association of Leprologists; Honorary Member, Argentine Association of Leprologists; Formerly Director and Professor of Medicine, Christian Medical College, Vellore, South India; Director, Leprosy Campaign, Madras State; Medical Superintendent, The Lady Willingdon Leprosy Sanatorium, Chingleput, South India, and T. Frank Davey, C.B.E., M.D., Ch.B. (Manch.), M.Sc. (Lond.), Medical Secretary, Methodist Missionary Society; Lately Leprosy Adviser, Federal Government of Nigeria; Senior Specialist (Leprologist), Nigeria Leprosy Service, Director, Nigeria Leprosy Service Research Unit, Uzuakoli; Councillor, International Leprosy Association. With a Foreword by Sir George McRobert, C.I.E., M.D. (Aberd.), F.R.C.P. (Lond.), President, Royal Society of Tropical Medicine and Hygiene, Consultant Physician, Hospital for Tropical Diseases, University College Hospital, London; Formerly Professor of Medicine, Madras Medical College.