The book includes the proceedings of the “Day of Uguccione” held in Perugia on 11 January 1997. The book contains essays by Serena Innamorati, Ruggero Ranieri, Marina Bon Valsassina, Evan de Scarpis, Orietta Ferrero, Gabriella Mellen, Maria Ernesta Menichetti, Regina Soria, Ravello Camillo De Santis, Edgardo Sogno, Roger Absalom, R. W. B Lewis, Mario Roncetti, Peter Scarpellini, Mark Nicoletti, Roberto Abbondanza.