Astrosaurs．The Space Ghosts Astrosaurs:The Space Ghosts Astrosaurs．[6]，The space ghosts Astrosaurs．The Star Pirates Astrosaurs．The Claws of Christmas Other title:The space ghosts The space ghosts Astrosaurs．The Hatching Horror Astrosaurs．The Planet of Peril Astrosaurs．[10]，The star pirates