Issue #240 Jul 17, 1979 Issue #241 Aug 21, 1979 Issue #242 Sep 18, 1979 Issue #243 Oct 16, 1979 Issue #244 Nov 20, 1980 Issue #245 Dec 18, 1979 Issue #246 Jan 15, 1980 Issue #247 Feb 19, 1980 Issue #248 Mar 18, 1980 Issue #249 Apr 15, 1980 Issue #250 May 20, 1980 Issue #251 Jun 17, 1980 Issue #252 Jun 17, 1980 Issue #253 Aug 19, 1980 Issue #254 Sep 16, 1980 Issue #255 Oct 21, 1980 Issue #256 Nov 18, 1980 Issue #257 Dec 16, 1980 Issue #258 Jan 13, 1981 Issue #259 Feb 17, 1981