Title: Spock Must Die!Author: James Blish
First Publication: 1970
Cover Artist: None-photograph
Series: Star Trek
Synopsis (from Amazon:
When a transporter experiment goes horribly awry, suddenly there are two Mr. Spocks. One is the true First Officer of the "Enterprise." The other is his complete opposite, a traitor whose very existence poses a grave threat to the crew, the ship, and the Federation itself. One of the Spocks must die. But which one?
