Over the Edge of the WorldThe astonishing tale of the first sea voyage to circumnavigate the entire globe. Magellans dramatic maritime expedition in 1519 discovered the straits that enabled Europe to trade with the Eastern spice islands and changed the course of history. In an era of intense commercial rivalry between Spain and Portugal, Ferdinand Magellan, a Portuguese navigator sailed to explore the undiscovered parts of the world and claim them for the Spanish crown in one