Nolan Fans

I'm curious if any of you have info on Nolan's black books he uses for directing. What's in them, who makes them, why he uses them, etc...

It's probably just notes, story boards, production schedules, pages of the script, etc.

Yeah, it's most probably notes and schedules.

it is

I mean, I guess I should have been more specific. Lol. Obviously it has those things - I was interested if there is anything quoted in interviews or the like that describes it.