Astrosaurs．[1]，Riddle of the raptors Astrosaurs．Riddle of the Raptors Astrosaurs．[13]，Revenge of the Fang Astrosaurs．[16]，The robot raiders Other title:Riddle of the raptors Riddle of the raptors Astrosaurs．[11]，The claws of Christmas Astrosaurs．Revenge of The Fang Astrosaurs．[7]，Day of the dino-droids Riddle of the Raptors