C.S. Lewis (1898-1953) was the most talented and lucid apologist for Christianity that the last century produced. In essays, critical studies, poems, novels and works of autobiography, he turned his formidable literary gifts to the task of re-presenting the Christian view of human destiny to a world bewildered by scientific materialism. He did not shirk the real difficulties that Christian belief encounters, nor did he down-play the cost of faith in an age of self-indulgence. Nevertheless, the radiant happiness and good sense that shine through his prose have never ceased to find new and...