In 1999 Tobias Jones immigrated to Italy, expecting to discover the pastoral bliss described by centuries of foreign visitors. Instead, he found a very different country: one besieged by unfathomable terrorism and deep-seated paranoia. "The Dark Heart of Italy" is Jones's account of his four-year voyage across the Italian peninsula.

Jones writes not just about Italy's art, climate, and cuisine but also about the much livelier and stranger sides of the Bel Paese: the language, soccer, Catholicism, cinema, television, and terrorism. Why, he wonders, does the parliament need a "slaughter...