ABSTRACT
This chapter describes the Buondelmontis works in a study of the ideology of the Holy War at the end of the Middle Ages. This spirit of the Holy War contrasts in the Liber insularum with a more positive appreciation of the Turks. The fall of Constantinople in 1453 changed the representation of the city in the copies of the Liber insularum of the second half of the fifteenth century. Already in the first lines of the work, Buondelmonti points out the fact that the Ottomans have captured defenceless cities whose people are now living peacefully. Buondelmontis positive appreciation of the Turks can be perceived not only from the text of the Liber insularum Archipelagi, but also from the illustrated maps which complete his vision of the Aegean world. The most important are those of Constantinople, which can be found in 16 manuscripts of the Liber.
