On sale date from the publication date found in the Catalog of Copyright Entries, Third Series, Volume 15, Part 2, Number 1, Periodicals, January-June 1961. Second class permit. Copyright number B893059.
crossover with Supergirl
Letters from Merian Villents, Carol Rossel, Ronnie Beth Adler, Judie Sims, Mrs. B.F. Terry, and Myra Mantel.