What is the Spine that has fantastic stories science fiction & fantasy with and end month in aug-72?
CREATE TABLE "other_bibliographic_details" (
  "start_month" text,
  "end_month" text,
  "cover" text,
  "spine" text,
  "indicia" text,
  "masthead" text,
  "number_of_issues" real
);
SELECT "spine" FROM "other_bibliographic_details" WHERE "indicia"='fantastic' AND "cover"='fantastic stories science fiction & fantasy' AND "end_month"='aug-72';