First broadcast as informal radio "talks" and later published as three separate books, The Case for Christianity, Christian Behaviour, and Beyond Personality are presented together in Mere Christianity. In his remarkably direct and accessible style, the renowned Christian apologist shows how the power of Christianity manifests itself -- not in any single denomination but as "mere" Christianity, a total force. For Lewis sets out to prove only that "in the center of each there is something, or a Someone, who against all divergencies of belief, all differences of temperament, all memories of mutual persecution, speaks with the same voice." - Back cover.