 In "Flatlander", Gregory "Elephant" Pelton attempts to name their new-found planet "Cue Ball", but Bey tells him that that name is already taken by a Beta Lyrae planet.In the official timeline, as well as "Juggler of Worlds", however, this story is set after the events of "Flatlander".Niven adapted the story and retitled it "The Slaver Weapon" for a 1973 episode of "".