Star Trek: The Original Series (novel)

Star Trek: The Original Series has been published as novels, in several different series:
 * Star Trek (Whitman), publishers of one novel in 1968
 * Star Trek (Ballantine), publishers of the Animated Series novelizations through the 1970s
 * Star Trek (Bantam), publishers from 1967 through 1979
 * Star Trek (Pocket), publishers since 1980