That's easy! "Ghost Walker" por Barbara Hably. Published in 1991, it relates the story of TOS Enterprise being highjacked por an alien hostile. Without giving too much away, get this: Spock, McCoy, Uhura, Nurse Chapel and Kirk's amor latest amor interest must conduct a SEANCE to speak to a disembodied Kirk roaming the Enterprise! Crazy huh? tu gotta read this novel!