"The Science of Leonardo" by Fritjof Capra is easy to read and a good intro. Martin Kemp's "Leonardo da Vinci" is a bit scattered but has great visuals. But m

"The Science of Leonardo" by Fritjof Capra is easy to read and a good intro. Martin Kemp's "Leonardo da Vinci" is a bit scattered but has great visuals. But most interesting is Leonardo's own "Notebooks."