The Heavens are Changing: Nineteenth-Century Protestant Missions and Tsimshian Christianity. By Susan Neylan. (Native & Northern Series 31. Montréal: McGill-Queens University Press, 2003, $ 76,00. Pp. xvii + 401, ill., photographs, diagrams, maps, ISBN 0-7735-2327-8, cloth.) - Mealing, F. (Ethnologies)