8 typed letters signed (mostly "Phil") totalling in 24 pages [...] together with 14 page undated autobiographical essay and over 30 pages of addtional various material [...]
Additional material includes a typescript synopsis of an unwritten novel titled Wink-Out! and a draft of the short story, "The Day Mr. Computer Fell Out Of Its Tree" written during the summer of 1977 and later published in The Collected Stories (1987).