1. Ikuo Minaki Short Story Collection: Voluntary Participation (1976, Doyobi Bijutsu-sha) 2. Ryusuke Yoshike Play Collection: Human Evaporation/Human Dry Season (same publisher) 4. Akihiko Yamada Short Story Collection: Yellow Hat and Blue Clothes (same publisher) 5. Yasuo Hatanaka Short Story Collection: Coal Mine (same publisher) 6. Yoshikiyo Arakawa Short Story Collection: In a Dark and Long Hole (same publisher) 7. Michio Oda Essay Collection: "Technological Innovation" and Literary Struggle (same publisher) These are the 6 books. As the photos show, there is some overall yellowing and staining, but the insides are clean. These are rare items.