Analyzes Mormon missionary materials and methods and their appropriateness in cultures other than American. Considers the extent to which conversion to Mormonism becomes an adoption of a concomitant program of Americanization. The problem is complicated by the poor impression left by American GI's based in Asian countries. Advises against demanding universal adherence to American cultural patterns and failing to respect the uniqueness of other cultural values. Based on first-hand missionary and study experience in Nationalist China and Japan.