The 1978 special issue of the magazine Taiyō dedicated to Noh theatre, edited by Omote Akira. Wonders of the second hand books market in Japan. Mint condition, of course.
Look what came through the mail today!
The Noh Diaries
In, on, and around nō theatre
The Noh Diaries 
Keen! I love those Taiyô Bessatsu volumes. I have ones on Edo Daimyo Clans, and on Edo Merchants, I think.
Yes, they are amazing. There is another one specifically on Zeami I think, which I still have to order.