Adam Usk's SecretAdam Usk, a Welsh lawyer in England and Rome during the first years of the fifteenth century, lived a peculiar life. He was, by turns, a professor, a royal advisor, a traitor, a schismatic, and a spy. He cultivated and then sabotaged figures of great influence, switching allegiances between kings, upstarts, and popes at an astonishing pace. Usk also wrote a peculiar book: a chronicle of his own times, composed in a strangely anxious and secretive