A craze for intricate metaphors, referred to as conceits, permeated all forms of communication in seventeenth-century Italy and Spain, reshaping reality in highly creative ways. The Age of Subtlety: Nature and Rhetorical Conceits in Early Modern Europe situates itself at the crossroads of rhetoric, poetics, and the history of science, analyzing technical writings on conceits by such scholars as Baltasar Graci n, Matteo Peregrini, and Emanuele...