The French have invaded Spain, forged an alliance with Africa’s powerful Tswana empire, and brought revolution to Brazil. Captain Will Laurence and his indefatigable fighting dragon, Temeraire, must travel to South America to negotiate with the Incas, who are also being wooed by the French.

If they fail, Napoleon may conquer yet another continent in his campaign for world domination, and the tide of the war may prove impossible to stop.