"Tyrannosaurus rex" appears in many works of fiction and literature. A "T. rex" is important in "A Sound of Thunder" by Ray Bradbury. A "T. rex" is a big part of the novel "Jurassic Park" by Michael Crichton, and Steven Spielberg's crew built a life-sized robot "T. rex" and a CGI "T. rex" for the movie version of "Jurassic Park". Many other "T. rexes" have appeared in books, movies and animated works.