Southern Comfort (Star Trek: TOS zine)
You may be looking for the multimedia zine, Southern Comfort.
|Publisher:||Lori Paige (editor) Star Trek Mail Association Press (publisher)|
|Illustrator(s):||Bonnie Reitz and Virginia Lee Smith|
|Medium:||print zine, fanfic|
|Fandom:||Star Trek: TOS|
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"It is a McCoy/Kirk/Spock adventure taking place back in the 1800's, where a time-tampering alien will ensure a Confederate victory in the Civil War. The South was never THIS wild! Meet General Sam McCoy and a Confederate soldier who ain't quite what 'he' seems to be." 
"McCoy and Spock follow an alien through the Guardian of Forever into the time of the Civil War on Earth. As they attempt to keep the alien from changing history, they are very much a part of the war's bloody battles.