I'm going through a bit of a Star Trek phase at the moment, watching reruns of The Next Generation series (we have the series set on DVD)
To be honest I think I'm more of a trek fan than Star Wars. I love both franchises of course but Trek seems more like pure SF to me, whereas Star Wars is more science fantasy.
Anyway my partner bought these two books home-we both enjoy reading, and both like Trek.
The first is set in the time frame of Kirk and Spock while the second features Riker on board the SS Titan alongside Tuvok from Deep Space Nine-a series I'm less familiar with.
Both are by authors unknown to me, but they sound good.