Issue #40 May 17, 1990 Issue #41 Jun 14, 1990 Issue #42 Jul 19, 1990 Issue #43 Aug 16, 1990 Issue #44 Sep 27, 1990 Issue #45 Oct 25, 1990 Issue #46 Nov 22, 1990 Issue #47 Dec 20, 1990 Issue #48 Jan 17, 1991 Issue #49 Feb 14, 1991 Issue #50 Mar 14, 1991 Issue #51 Apr 11, 1991 Issue #52 May 16, 1991 Issue #53 Jun 20, 1991 Issue #54 Jul 25, 1991 Issue #55 Aug 29, 1991 Issue #56 Sep 19, 1991 Issue #57 Oct 24, 1991 Issue #58 Nov 21, 1991 Issue #59 Dec 19, 1991