The frescoes from the Clarrisan monastery of S. Maria inter Angelos near Spoleto, known as Le Palazze, detached from the walls and now preserved in several museums, mostly on the East Coast of the United States of America, have attracted the attention of many important scholars. But until now, on the «splendid thirteenth century cycle of frescoes at Le Palazze» - to quote Roberto Longhi - there was no complete study, offering an integral reading of all the paintings and an analysis of their original context. In order to achieve these aims, an international and multidisciplinary project started four years ago, and now we can see the results: the virtual reconstruction of the church and the nuns' choir with the frescoes in their original settings on the walls, made with advanced digital technology, and the essays of Italian and American scholars of this book, which in the preface Bruno Toscano says is «so precious and so unique».