Faith D'Aluisio, co-author of the book What I Eat: Around the World in 80 Diets in the San Marcello al Corso church dining hall in Rome, Italy. MODEL RELEASED. Faith D'Aluisio, co-author of the book What I Eat: Around the World in 80 Diets in the San Marcello al Corso church dining hall in Rome, Italy. MODEL RELEASED.