Maureen K Lux, Medicine That Walks: Disease, Medicine, and Canadian Plains Native People, 1880–1940, Toronto and London, University of Toronto Press, 2001, Pp. Xii, 300, Illus., £35.00, US$50.00 (Hardback 0-8020-4728-9), £12.00, US$22.95 (Paperback 0-8020-8295-5).