Question: Partysaurus Rex is based on the characters from which series, based on anthropomorphic concepts?
Sentence (from "Astrosaurs"): Free trading cards come with each Astrosaur book, featuring foes, weapons, crew members, ships, aliens and many other characters and things found in the relevant book, with a set of 'bonus cards' available to order from the Steve Cole website, which are now believed to have gone out of print, and featured characters from the first eight books.
Relevant evidence: No