Just like their parents, Giuseppe Manzo and Piera Marretta, the two older children, Pietro and Domenico, also shop every day, loading up on snacks from the grocery next door on their way to school. Backpacks bulging, they cross the street to their father's store to kiss him good-bye before heading off. Hungry Planet: What the World Eats (p. 178). The Manzo family of Palermo, Sicily, is one of the thirty families featured, with a weeks' worth of food, in the book Hungry Planet: What the World Eats.