C. S. Lewis considered his novel Perelandra (1943) among his best works. A triumph of imaginative science fiction, Perelandra--the second volume of Lewis's "Space Trilogy"--is also theologically ambitious. C. S. Lewis's Perelandra: Reshaping the Image of the Cosmos explores how the novel synthesizes the three traditions of cosmology, mythology, and Christianity. The first group of essays considers the cosmological implications of the world Lewis depicts in Perelandra...