Possible Clues:

• 'The Benefactor' novelist
• 'Notes on Camp' essayist
• Susan who wrote 'Illness as Metaphor'
• Susan who wrote, "The writer's first job is not to have opinions but to tell the truth"
• I, etcetera author Susan
• Author of the award-winning 1999 novel "In America"
• American literary figure and political activist, d. 2004 — tangos (anag)
• "In America" novelist
• Writer Susan who had a close relationship with Annie Leibovitz
• 'The Volcano Lover' writer