In Apostles of Mercy, 'suspense is created by crosscutting between deluded religious zealots and a group o arrogant colonialists, who both encounter an injured Martian and deal with in their own foolish ways. Will the colonialists get a taste of their own medicine by this new superseding invading force? Or will the zealots be fooled by a new god to worship?'
Source: Foreword.