"Unlike more popular works like the Chronicles of Narnia and Mere Christianity, C. S. Lewis's Ransom Trilogy is lesser-known and often perplexing. Out of the Silent Planet and Perelandra take readers on adventures through the heavens; That Hideous Strength delves deep into topics much closer to home. In the process, these books allude to everything from H. G. Wells and the World Wars to Medieval cosmology and Arthurian Legend; therefore, there is...