I put it on hold for some time cause it was rather complicated to get into. BUT after a few months on hold I got back to it and finished it in basically one sit, and I can say now, this graphic novel is gorgeous.
The art is of course amazing, stunning, marvelous. The story is so complex you need some time to absorb everything, and you won't completely do it anyway. But if you manage to go with the flow, it's great!