(1978) is a science fiction novel by American writer Kathleen Sky, a tie-in of Star Trek: The Original Series.

Kathleen Sky submitted a spec script to the producers Star Trek during the production the show's third season.

[2] Sky's husband, Stephen Goldin, also wrote the tie-in novel Trek to Madworld, also published by Bantam.

The planet Arachne IV, inhabited by a strange ant-like race, could be lost to the Federation due to the changes in space.

A bibliographic note in the December 1979 edition of Science Fiction and Fantasy Book Review explained that "Sky ascribes more emotion to Spock than is logical under the circumstances [of the plot]".