Star Trek: The Animated Series were added to the cast—claiming that Sulu and Uhura were of importance as they were proof of the ethnic diversity of the 23rd century and should not be recast. Nimoy also took this stand as a matter of principle, as he knew of the financial troubles many of his "Star Trek" co-stars were facing after cancellation of the series. Koenig was not forgotten, and later wrote an episode for the series, becoming the first "Star Trek" actor to write a "Star Trek" story. Koenig wrote "The Infinite Vulcan", which had plot elements from the original "Star Trek" episode "Space Seed"
Star Trek: Vanguard Star Trek: Vanguard Star Trek: Vanguard is a series of "Star Trek" books set during the time period of the original television series. It consists of seven novels, one novella collection, and one eBook. A "Star Trek: S.C.E." eBook, "Distant Early Warning", also acts as a prequel to the "Vanguard" storyline. The current novel series "Star Trek: Seekers" acts as a sequel to "Vanguard". The books largely take place on board the Federation space station Starbase 47, also known as "Vanguard", which serves as a support facility for a colonization push by the United Federation of Planets into an interstellar