A contemporary edition of “Mere Christianity” by C.S. Lewis is pictured in a library at the Washington headquarters of the U.S. Conference of Catholic Bishops. Published in 1952, “Mere Christianity” was named “best religious book of the 20th century” by the U.S. magazine Christianity Today. (CNS photo) (Jan. 8, 2013) See LEWIS-INTEREST Jan. 8, 2013