This biography of Macchiavelli is widely regarded as Ridolfi's masterpiece and is based on much material drawn from private and public archives. It presents a fresh interpretation of Macchiavelli's career and writings and here, for example the dating of the composition of such famous works as the Prince and the Mandragola is established for the first time. This English translation, when originally published in 1963 included numerous correction and additions which brought it up to date with the most recent studies on Macchiavelli and his works.