Latin Letters of C. S. Lewis

In September 1947, after reading C.S. Lewis's The Screwtape Letters in Italian, Fr. (now St.) Giovanni Calabria was moved to write the author, but he knew no English and assumed (rightly) that Lewis knew no Italian. So he wrote his letter in Latin, hoping that, as a classicist, Lewis would know Latin. Therein began a correspondence that was to outlive Fr. Calabria himself (he died in December 1954, and was succeeded in correspondence by Fr. Luigi Pedrollo, which continued until Lewis's own death...