I was intrigued by Michael J. Gelb's How to Think Like Leonardo Da Vinci because I knew so little about the man, and I was curious as to how the author expected ordinary readers to cultivate genius by following in decidedly medieval footsteps. After reading it I do know more about Da Vinci (the book is chock full of details from his life) but remain a bit puzzled over if the author proposed an extraordinary and unlikely emulation of genius, or simply defined it better. The book talks about genius as if it were a precious resource we call carry inside and can cultivate, and that is rather naive. A great majority of Americans do not read books (the National Endowment for the Arts puts that figure at 51.5% ), and that's where I believe self-education begins. The public library is the greatest free university in existence -- I speak as a grateful student who read entire libraries as a kid -- and in another fifty or a hundred years they will likely shut down for good. T...