One of the most popular and beloved introductions to the concept of faith ever written, `Mere Christianity has sold millions of copies worldwide. n n n The book brings together C.S. Lewiss legendary radio broadcasts during the war years, in which he set out simply to `explain and defend the belief that has been common to nearly all Christians at all times. n n n Rejecting the boundaries that divide Christianitys many denominations, `Mere Christianity provides an unequalled opportunity for believers and nonbelievers alike to absorb a powerful, rational case for the Christian faith. n