This book explores the Spanish elite's fixation on social and racial 'passing' and 'passers', as represented in a wide range of texts. It examines literary and non-literary works produced in the sixteenth and seventeenth centuries that express the dominant Spaniards' anxiety that socially mobile lowborns, Conversos (converted Jews), and Moriscos (converted Muslims) could impersonate and pass for 'pure' Christians like themselves.

Previous scholarship has postulated that the social energy that led to the widespread marginalisation of non-elites had its roots in the nobility's...