Senator Jake in Space is a science fiction novel written by American author William Shatner. The novel follows the story of Senator Jake, a politician from Earth who is sent on a mission to explore space. In the novel, Senator Jake encounters a variety of alien species and must use his diplomatic skills to navigate the complex political landscape of the universe. The crossword solution GARN refers to one of the alien species encountered by Senator Jake in the novel. GARN is a race of intelligent, telepathic aliens who are able to communicate with each other through their minds.