n.p. the authors, 1975. 10p., wraps mildly worn with minor soil, errata slip glued inside back cover. *Ford no. 209.
Characterizes Jon Horelick, the editor of Diversion, published in New York, as being behind the times. Laid in is a folded leaflet, "Beyond the crisis of abstraction and the abstract break with that crisis: the S.I." which reproduces a response by Horelick.