Episodes from the life of Alexander the Great: Alexander plumbs the depths of the ocean and the attack of the wild men

The second half of the fifteenth century saw the world change in several ways. Some of these changes were spectacular; others, deeper though less visible, foreshadowed economic, social, and political upheavals whose aftershock would be felt clear into the twentieth century. European relations with Africa and Africans became closer and more complex than anything known in the previous ten centuries....