"Problemi Filosofici della Scienza" (2011). "L'Ultima dea d'Occidente. Saggio sulla razionalità inesorabile" (2018). "The Empty Campus. Education and Miseducation in the New Global Age" (2016). "Metafisiche del Mondo" (1997)."La Società del Contrario" (2005). "I labirinti del cuore" (2011). "Kafka Ridens. Studio sull’umorismo in Kafka" (2010). "Beffe e Beffatori in Nome di una Crisi" (2021).
Dr. Divago, a.k.a. Sergio Caldarella, is a published author of sixteen books, several papers, articles and two theater pieces. He has participated as speaker in local and international conferences and seminars throughout Europe and the US. Some of the events he participated as invited speaker have been organized, sponsored or hosted by the followings: International Plato Society; Platoninstitut; Istituto Mediterraneo di Studi Universitari; The Italian Philosophical Society; The National Research Council (CNR); The M.I.T., Goethe-Institut; The British Council; Alliance Française; Assiberica; Thomas Aquinas Society; Spertus Institute Chicago; The Universities of Siena; Genova; Catania; Naples Eastern; Naples Federico II and Monmouth; The Scuola Normale Superiore; The German Embassy in Rome; Frankfurt Book Fair; Rome Book Fair “Più libri Più Liberi”; Jüdisches Kulturzentrum Veitshöchheim; Shir Shalom.
Selective Bibliography: "The Empty Campus"; “Metafisiche del Mondo"; “Memoria e dolore”; “La Società del Contrario”; “L’Algebra degli Scacchi; “Le lacrime della pioggia”; “Problemi Filosofici della Scienza”; "L'Ideologia del lupo."