Issue #4 Jan 11, 1977 Issue #5 Feb 08, 1977 Issue #6 Mar 08, 1977 Issue #7 Apr 12, 1977 Issue #8 May 10, 1977 Issue #9 Jun 07, 1977 Issue #10 Jul 12, 1977 Issue #11 Aug 10, 1977 Issue #12 Sep 13, 1977 Issue #13 Oct 11, 1977 Issue #14 Oct 18, 1977 Issue #15 Dec 13, 1977 Issue #16 Jan 10, 1978 Issue #17 Feb 07, 1978 Issue #18 Mar 14, 1978 Issue #19 May 09, 1978 Issue #20 Oct 01, 1978 Issue #21 Dec 01, 1978 Issue #22 Feb 01, 1979 Issue #23 Jan 09, 1979