'Very impressive . . . I admire Roberto [Saviano] a lot.' Leila SlimaniIn Naples, a new kind of gang rules the streets: the 'Paranze', the 'Children's Gangs', groups of teenage boys who divide their time between Facebook or playing Call...

Roberto Saviano is an Italian journalist and the author of several books including Zero Zero Zero and the international bestseller Gomorrah, which has sold over ten million copies in fifty languages worldwide. He has been living under...