In the sixteenth century, Spain was small and divided, yet it built the largest empire in history. How? Felipe Fernández-Armesto and Manuel Lucena Giraldo reveal the crucial role of engineers in this achievement. By investing in infrastructure that benefited local elites, Spain expanded its influence and enriched trade networks. Through vivid stories of engineers, prospectors, soldiers and priests, the authors bring Spanish America's age of conquest to life. Now in paperback, this dazzling history redefines empire as a venture shaped by collaboration as well as oppression, offering fresh insights into the rise of the Spanish Empire and the complexities of its legacy.