The Pope and Mussolini: The Secret History of Pius XI and the Rise of Fascism in Europe. New York: Random House, 2014. Italian edition Rizzoli (Il patto col diavolo: Mussolini e papa Pio XI, 2014); UK edition, Oxford University Press, 2014; Romanian Edition, Papa si Mussolini, Editura Rao, 2015; French edition, Le pape et Mussolini, Les Arenes, 2016. German, Portuguese, Polish, Chinese, Czech, and Brazilian editions in press. Winner of the 2015 Pulitzer Prize for Biography, and the American Historical Association Marraro Prize for best book in Italian history. A History Book Club main selection.
Amalia's Tale: A Poor Peasant, an Ambitious Attorney, and a Fight for Justice. Boston: Houghton Mifflin, 2008. Italian edition, La sfida di Amalia, Rizzoli, 2008; Brazilian edition A Historia de Amalia, Rocco, 2009,
Prisoner of the Vatican: The Popes' Plot to Capture Italy from the New Italian State. Boston: Houghton Mifflin, 2004. Italian edition Rizzoli (Prigioniero del Vaticano, 2005). A History Book Club selection. Chosen as one of the best books of 2004 by Publishers' Weekly.
The Popes Against the Jews: The Vatican's Role in the Rise of Modern Anti-Semitism, 2001. New York: Knopf (paperback Vintage, 2002). A selection of Book of the Month Club; Quality Paperback book club; and Traditions (the Book of the Month Club's Jewish interest book club). Italian edition by Rizzoli (I papi contro gli ebrei, 2002); Brazilian edition by Rocco (O Vaticano e os Judeos: Os papas e a ascensão do anti-semitismo moderno, 2002); Spanish edition by Plaza Janés (Los papas contro los judíos, 2002); Dutch edition by Prometheus (In Gods Naam, 2002); British edition by Macmillan (The Unholy War, 2002); German edition by Propylaen Verlag (Die Päpste gegen die Juden. Der Vatikan und der moderne Antisemitismus, 2001); French version by Editions Robert Laffont (Le Vatican contre les juifs, 2003); Hungarian edition by Ulpius-Haz (A pápák a zsidók ellen, 2003); Polish edition by W.A.B. (Papieze a Zydzi: O roli Watykanu w rozwoju wspólczesnego antysemityzmu , 2005) . Finalist, Mark Lynton Prize for History 2002. Selected one of the "100 Best Books of the Year, 2002", Toronto Globe and Mail.
The Kidnapping of Edgardo Mortara. New York: Knopf, 1997. Paperback published by Vintage, 1998. Italian edition (Prigioniero del Papa Re) published by Rizzoli in 1996; British edition by Picador in 1997 (paperback will be by Papermac); French (Pie IX et l'enfant juif, Perrin, 2001); German (Die Entführung des Edgardo Mortara, Hanser, 1998); Brazilian (O Seqüestro de Edgardo Mortara, Rocco, 1998); Hebrew (Kinneret, 2000); Spanish (El secuestro de Edgardo Mortara, Plaza Janés, 2000). Finalist, National Book Award for nonfiction, 1997. Winner, National Jewish Book Award for Jewish-Christian relations, 1997. Selected one of the "Best Books of the Year, 1997", Publishers Weekly, Toronto Globe and Mail. "Edgardo Mine," a stage version of the book , written by Alfred Uhry, opened at Hartford Stage in October, 2002.
Politics and Symbols: The Italian Communist Party and the Fall of Communism. New Haven: Yale University Press, 1996.
Sacrificed for Honor: Italian Infant Abandonment and the Politics of Reproductive Control. Boston: Beacon Press, 1993 (paper, 1994). Runner-up, 1995 Goode Award (book on family), American Sociological Association.
Family, Political Economy, and Demographic Change: The Transformation of Life in Casalecchio, Italy, 1861-1921 (with Dennis Hogan). Cloth and paper editions. Madison: University of Wisconsin Press, 1989. Italian edition (with Dennis Hogan and Massimo Marcolin) published as Famiglia, Economia, e Società. Bologna: Il Mulino, 1991. Winner 1990 Marraro Prize from the Society for Italian Historical Studies.
Ritual, Politics, and Power. New Haven: Yale University Press, 1988. Cloth and paper. Offered as an alternate selection by the History Book Club. Italian edition, Riti e simboli del potere, Laterza, 1989; Japanese edition, published by Keiso Shobo; 1990. Romanian edition, Ritual, Politica, si Putere, Editura Univers, 2002. Polish edition, Rytual, Polityka, Wladza, Oficyna Wydawnicza Volumen, 2010; Chinese edition, published by Jangsu People's Publishing House, 2015 (with a new preface by the auithor).
Family Life in Central Italy, 1880-1910: Sharecropping, Wage Labor, and Coresidence. New Brunswick, NJ: Rutgers University Press, 1984. Completely revised and expanded version of Famiglia contadina, 1981. Winner of the 1984 Marraro Prize from the Society for Italian Historical Studies.
Famiglia Contadina e Urbanizzazione [Peasant Family and Urbanization]. Bologna: Il Mulino, 1981.
Comrades and Christians: Religion and Political Struggle in Communist Italy. New York: Cambridge University Press, 1980. Cloth and softcover editions. Italian translation with a new preface published as Cattolici e Comunisti. Milan: Franco Angeli, 1981. New English language edition published by Waveland Press, 1990.