Issue #19 Jul 10, 1987 Issue #20 Sep 07, 1987 Issue #21 Nov 09, 1987 Issue #22 Feb 08, 1988 Issue #23 May 17, 1988 Issue #24 Jul 16, 1988 Issue #25 Oct 17, 1988 Issue #26 Feb 17, 1989 Issue #27 Apr 17, 1989 Issue #28 Jul 13, 1989 Issue #29 Oct 11, 1989 Issue #30 Feb 08, 1990 Issue #31 Apr 10, 1990 Issue #32 Jun 16, 1990 Issue #33 Aug 09, 1990 Issue #34 Nov 17, 1990 Issue #35 Feb 08, 1991 Issue #36 Apr 15, 1991 Issue #37 Jun 10, 1991 Issue #38 Aug 06, 1991