Introduction : Andrea Bianco's three maps
The world view of the mappamundi in the thirteenth century
Marine charts and sailing directions
Sea chart and mappamundi in the fourteenth century
Merchants, missionaries, and travel writers
The recovery of Ptolemy's Geography
Fra Mauro : the debate on the map
The persistence of tradition in fifteenth-century world maps
The transformation of the world map
Conclusion : The world map transformed.
