Federico Barocci has firmly entered the canon of late Renaissance and early Baroque art history. Yet even after monographs and exhibitions, his working procedure still resists complete understanding. The following book is a structural examination of the working practice of Federico Barocci, shedding light on each of the kinds of drawings he produced in the execution of a typical painting. The book seeks out the logic of Barocci’s practices, which may seem idealized but is nonetheless quite real. In the end, this book provides a master key for understanding the function and constitution of Barocci's remarkable graphic production.