January 5, 2012 by Sleestak - 2 Comments The Hydra Club The Hydra Club, a function-less invite-only organization of science fiction contributors from the pulp days of yore. From Marvel Science Fiction (November 1951). Written by Judith Merril, art by H. Harrison. Share this:ShareFacebookTumblrRedditPrintPinterestTwitterPocketLinkedInEmailLike Loading...