Increasingly, historians acknowledge the significance of crusading activity in the fifteenth century, and they have started to explore the different ways in which it shaped contemporary European society. Just as important, however, was the range of interactions which took place between the three faith communities which were most affected by crusade, namely the Catholic and Orthodox worlds, and the adherents of Islam. Discussion of these interactions forms the theme of this book. Viewed overall, this collection of essays makes a powerful contribution to breaking down the old and discredited view of monolithic and mutually exclusive "fortresses of faith".