Spock, Messiah!
Theodore R. Cogswell & Charles A. Spano, Jr.
Book 2 of Star Trek: Bantam Books
Language: English
Library - Science Fiction and Fantasy Novel Star Trek TOS _isfdb http://www.archive.org/details/spockmessiah00cogs
Publisher: Bantam Books
Published: Sep 2, 1976
Description:
The victim of a cruel experiment, Commander Spock renounces the U.S.S. Enterprise, becomes the Messiah of the planet Kyros, and launches a holy war on the rest of the world.