Issue #21 Mar 21, 1989 Issue #22 Apr 18, 1989 Issue #23 May 16, 1989 Issue #24 Jun 20, 1989 Issue #25 Jul 18, 1989 Issue #26 Aug 15, 1989 Issue #27 Sep 19, 1989 Issue #28 Nov 30, 1989 Issue #29 Nov 21, 1989 Issue #30 Dec 19, 1989 Issue #31 Jan 16, 1990 Issue #32 Feb 20, 1990 Issue #33 Mar 20, 1990 Issue #34 Apr 17, 1990 Issue #35 May 15, 1990 Issue #36 Jun 19, 1990 Issue #37 Jun 19, 1990 Issue #38 Jul 03, 1990 Issue #39 Jul 17, 1990 Issue #40 Aug 07, 1990