Issue #12 Jul 31, 1990 Issue #13 Aug 28, 1990 Issue #14 Oct 30, 1990 Issue #15 Dec 11, 1990 Issue #16 Jan 02, 1991 Issue #17 Jan 29, 1991 Issue #18 Feb 26, 1991 Issue #19 Mar 26, 1991 Issue #20 Jun 10, 1991 Issue #21 May 28, 1991 Issue #22 Jun 25, 1991 Issue #23 Jul 30, 1991 Issue #24 Aug 27, 1991 Issue #25 Sep 24, 1991 Issue #26 Oct 29, 1991 Issue #27 Nov 26, 1991 Issue #28 Dec 24, 1991 Issue #29 Jan 28, 1992 Issue #30 Feb 25, 1992 Issue #31 Mar 31, 1992