I am currently reading The Autobiography of Benvenuto Cellini, translated by John Addington Symonds.
Cellini was a 16th century artist of some note, and- to hear him tell it- one of the most remarkable men who ever lived. My feeling is that there may be a kernel of truth buried under the self-aggrandizement, but I’m taking this more as a work of fiction. Remember Commander McBragg from The Rocky and Bullwinkle Show? It reads kind of like that, only with more duels and swordplay.
I got my copy for $2 at a charity sale, but it is in the public domain and may be downloaded for free from Project Gutenberg.