International Scientific Association, May 1936 (volume 2, number 1). Large octavo, single issue, mimeographed, silk-screened pictorial wrappers, stapled. Thirteenth of the twenty-one published issues of this rare fanzine. Includes "STF," a club news column by Donald A. Wollheim, "A Complaint About FLABBERGASTING STORIES," a letter from James Blish, science articles, and other material. Pavlat and Evans, Fanzine Index (1965), p. 57. Covers worn and soiled, internally a very good copy. (#162807).Brooklyn, N.Y.