 Winterson is said to have used the relationship as the basis of her novel "The Passion" (1987).Kavanagh became the agent in 1985 of Martin Amis, who left her after 23 years to "throw in his lot" with American agent Andrew Wylie, as part of an effort to get a large advance for his own novel "The Information".In 2001, her employer, now known as Peters, Fraser & Dunlop, was purchased by CSS Stellar, a company specializing in sports marketing.