WINDYCON 18 SCIENCE FICTION CONVENTION PROGRESS REPORT  (OR MEMBERSHIP FORM) FOR THE 1991 ILLINOIS SCIENCE FICTION CONVENTION WITH GUESTS MIKE RESNICK, P D BREEDING BLACK, ROBERT WEINBERG, HOWARD DEVORE AND GEORGE ALEC EFFINGER .    DIGEST SIZED FANZINE PROGRESS REPORT IS IN VERY GOOD CONDITION WITH EDGE AND SPINE WEAR,  POSTAGE $6.50 IN THE UNITED STATES AND BY ARRANGEMENT OVERSEAS. I COMBINE ORDERS TO SAVE ON POSTAGE.