A few years ago, Owen Sheers stumbled upon a dusty book in his father's study by the extraordinary Arthur Cripps, part-time lyric poet and full-time unorthodox missionary who served in Rhodesia for fifty years from 1902. Sheers' discovery prompts a quest into colonial Africa at the turn of the century, by way of war, a doomed love affair and friction with the ruling authorities. His personal jo...