If you can’t make it out, that is a large semi-transparent “M” on the cover. “M” as in Michelangelo Merisi, which is the real name of artist the world refers to today as Caravaggio. It would almost be impossible to write a bad book about a man who was both a revolutionary artist and a sociopath. Peter Robb does a great job at recounting a biographical tale where the line between art and reality are always blurred, and introduces several new theories as regards the more murky periods in Caravaggio’s life.