I wonder not thereat; for the cloud has passed away and the serene weather has come."[38] Not long did _il tempo sereno_ hold. While it lasted Catherine remained quietly at Siena, dictating to her secretaries, Neri, Stefano, and a certain Barduccio Canigiani (a young nobleman who had joined her spiritual family at Florence), her book--the famous _Dialogue_. It consists of four mystical treatises on Discretion, Prayer, Divine Providence, and Obedience, in the form of a dialogue between God and a soul "panting with greatest desire for the honour of God and the salvation of souls." This Dialogue and her Letters represent St Catherine's literary work.[39] It was finished in October. Already the tempest had burst upon the Church, of which the first rumblings had been heard during her stay at Florence, and Catherine was now to be summoned to Rome to fight her last great battle. Urban VI. had a high reputation for zeal and virtue; he was, in addition, a good Italian. From the outset he announced his intention of reforming the Roman Court, of extirpating simony and luxury in the Church. "They say," the Prior of the Certosa of Gorgona had written to Catherine on the first news of his elevation, "that this our Holy Father is a terrible man, and frightens people exceedingly with his acts and his words." The abrupt violence with which he began his work enraged and alarmed all the Curia, and within a few months of his election he was left alone. The French Cardinals fled to Anagni, and took the Breton mercenaries into their pay. When the Pope nominated twenty-six new cardinals, they held a conclave at Fondi, and, on the plea that the election of Urban had been extorted by force and fear of the Roman mob, and was therefore invalid, they raised the infamous Cardinal Robert of Geneva to the Popedom as Clement VII. All Christendom was now divided in its spiritual allegiance between two men, each claiming to be the Vicar of the Prince of Peace; any earthly prince would have dismissed the one with ignominy from his service, the other was soon to fall hopelessly and shamefully from his fair beginning.