Yeah it is about what Da Vinci believed and tried to explain that. It also glorified him ina way " ". I work at Barnes and Noble and that has been our #1 bestseller for the past year, next to HP and the Order of the Phoenix. Its definitely a good book to read if your into fictional books. Our new best non ficiton seller is of course... Bill Clinton My Life.. Even though we know everything that we need to know already about his life.