Issue #18 Jun 01, 1990 Issue #19 May 08, 1990 Issue #20 Jul 03, 1990 Issue #21 Sep 04, 1990 Issue #22 Nov 06, 1990 Issue #23 Jan 08, 1991 Issue #24 Mar 12, 1991 Issue #25 May 14, 1991 Issue #26 Jul 09, 1991 Issue #27 Aug 13, 1991 Issue #28 Sep 10, 1991 Issue #29 Oct 22, 1991 Issue #30 Nov 12, 1991 Issue #31 Dec 10, 1991 Issue #32 Jan 14, 1992 Issue #33 Mar 02, 1992 Issue #34 Mar 10, 1992 Issue #35 Apr 14, 1992 Issue #36 May 05, 1992 Issue #37 Jun 09, 1992