Mere Christianity is C. S. Lewis’ forceful and accessible doctrine on Christian belief. First noticed as casual radio broadcasts and then released as three independent books-The Case for Christianity, Christian Behavior, and Beyond Personality-Mere Christianity includes what Lewis views as the fundamental truths of his religious beliefs.Rejecting the boundaries that separate Christianity’s many denominations, C. S. Lewis discovers a common surface on which those who’ve Christian faith can stand together, showing that “at the guts of each there is certainly something, or a Someone, who against all divergences of belief, all variations of character, all remembrances of shared persecution, speaks using the same tone of voice.”