"Written during the dark hours immediately before and during the Second World War, C.S. Lewis's Space Trilogy, of which Perelandra is the second volume, stands alongside such works as Albert Camus's The Plague and George Orwell's 1984 as a timely parable that has become timeless, beloved by succeeding generations as much for the sheer wonder of its storytelling as for the significance of the moral concerns. For the trilogy's central figure, C.S. Lewis...