Has a book ever changed your view of an artist?

Biographer John Richardson inspired a love of Picasso while novelist Somerset Maugham demolished Gauguin. Which writers have changed your opinion?One of the most interesting recent discussions on our weekly Tips, Links and Suggestions forum was inspired by this question from regular contributor conedison: “Have you ever read a fictional or non-fictional account of a famous artist’s life in any aesthetic field that actually changed your opinion of their work for better or worse”