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 Paramount by 2002. Since 1967, hundreds of original novels, short stories, and television and movie adaptations have been published. The first original "Star Trek" novel was "Mission to Horatius" by Mack Reynolds, which was published in hardcover by Whitman Books in 1968. The first publisher of "Star Trek" fiction aimed at adult readers was Bantam Books. James Blish wrote adaptations of episodes of the original series in twelve volumes from 1967 to 1977; in 1970, he wrote the first original "Star Trek" novel published by Bantam, "Spock Must Die!" Pocket Books published subsequent "Star Trek" novels. Prolific "Star Trek" novelists