This is a rare brochure from the exhibit in San Francisco in 1970.
It is not mint - but mint-adjacent I would say.
There are a couple of little marks on the front cover on the ring part of that planet and all 12 pages are there, but the center pages have come loose from the staples. I did not try to repair that.
There is a mark on the inside cover. I photographed that too.
I have to say that this is not musty smelling or flawed like that.
The booklet measures 10" X 7" and is on a paper kind of the feel of construction paper.