Issue #9 Feb 13, 1989 Issue #10 May 12, 1989 Issue #11 Sep 12, 1989 Issue #12 Dec 13, 1989 Issue #13 Mar 13, 1990 Issue #14 Jun 14, 1990 Issue #15 Sep 13, 1990 Issue #16 Jan 14, 1991 Issue #17 Apr 15, 1991 Issue #18 Jul 15, 1991 Issue #19 Oct 15, 1991 Issue #20 Jan 14, 1992 Issue #21 Apr 15, 1992 Issue #22 Jul 15, 1992 Issue #23 Oct 15, 1992 Issue #24 Jan 13, 1993 Issue #25 Apr 15, 1993 Issue #26 Jul 15, 1993 Issue #27 Dec 14, 1993 Issue #28 Mar 15, 1994