When Michael Ward's Planet Narnia emerged a decade ago, myriad things were pulled into its orbit: The immense gravitational force altered the field of C.S. Lewis studies, to be sure, but the discovery's scope stretched far into the worlds of literary criticism, Christian apologetics, and the arts. Only now, after ten years under its influence, have we begun to consider the magnitude of Planet Narnia's effects, and perhaps it is best to begin...