Issue #21 Feb 20, 1990 Issue #22 Mar 20, 1990 Issue #23 Apr 17, 1990 Issue #24 May 15, 1990 Issue #25 Jun 05, 1990 Issue #26 Jun 19, 1990 Issue #27 Jul 03, 1990 Issue #28 Jul 17, 1990 Issue #29 Aug 07, 1990 Issue #30 Aug 21, 1990 Issue #31 Sep 18, 1990 Issue #32 Oct 16, 1990 Issue #33 Nov 20, 1990 Issue #34 Dec 18, 1990 Issue #35 Jan 15, 1991 Issue #36 Feb 19, 1991 Issue #37 Mar 19, 1991 Issue #38 Apr 16, 1991 Issue #39 May 21, 1991 Issue #40 Jun 18, 1991