Issue #604 Dec 10, 1988 Issue #605 Dec 17, 1988 Issue #606 Dec 24, 1988 Issue #607 Dec 31, 1988 Issue #608 Jan 07, 1989 Issue #609 Jan 14, 1989 Issue #610 Jan 21, 1989 Issue #611 Jan 28, 1989 Issue #612 Feb 04, 1989 Issue #613 Feb 11, 1989 Issue #614 Feb 18, 1989 Issue #615 Feb 25, 1989 Issue #616 Mar 04, 1989 Issue #617 Mar 11, 1989 Issue #618 Mar 18, 1989 Issue #619 Mar 25, 1989 Issue #620 Apr 01, 1989 Issue #621 Apr 08, 1989 Issue #622 Apr 15, 1989 Issue #623 Apr 22, 1989