It is a long-range epic of navigation, trade, and technology, money and crusade, political diplomacy and espionage, sea battles and shipwrecks, endurance, reckless courage, and extreme violence. At its heart was an astonishing burst of some thirty years that forms the subject of this book, when these few Portuguese, led by a handful of extraordinary empire builders, attempted to destroy Islam and control the whole of the Indian Ocean and the world’s trade.

