New York: Something Else Press, 1968.
Squarish octavo, unpaginated. First edition of this engaging exploration of Cunningham's work through his working notebooks, revealing works in progress, and accompanied by the author's speculations about the problems he was attempting to solve. With photographic illustrations of performances throughout. One of the scarcest and most sought after publications of Dick Higgins' Something Else Press. A fine copy in white cloth, with publisher's printed dust jacket. With a four line piece of manuscript working notes, signed by Cunningham, laid in.