The title of this Star Trek TOS Fanzine is "Progressions". SLASH and GEN. It is 259 pages long and is a collection of stories. This was published by Merle Decker in 1985. It is in good condition with only wear from being read and creases near the spine.   

This is a SLASH fanzine which features graphic and descriptive illustrations of homoerotic sexual relationships between Kirk and Spock.

Half the content is K/S (mature/intimate) and the other half deals with the friendship relationship between Kirk & Spock. 

Please don't hesitate to email with questions.