Yes, it's not easy to track down his remarkable work. Centipede Press is reissuing all of his short stories, but only in $100 premium editions with a print run of 300 (!) copies. Of course, they sold out and the book is now only available from scalpers for > $300.

See also http://ralafferty.org

Found the story: "A Special Condition in Summit City"

http://www.isfdb.org/cgi-bin/title.cgi?67506

thx