The Double Image
Helen MacInnes(1907-1985) was the Scottish-born American author of 21 spy novels.    Dubbed "the queen of spy writers", her books have sold more than 25    million copies in the United States alone and have been translated into    over 22 languages. Several of her books have been adapted into films,    such asAbove Suspicion(1943), with Joan Crawford, andThe Salzburg Connection(1972).