Below Decks is a series of spy thriller novels set in the Star Trek universe, written by Brendan Archer.
Bransen Andrews is a newly-minted Lieutenant onboard the USS Canberra. Excited to begin his first real intelligence role in the stars, he doesn't expect to be sucked into a web of political intrigue with ramifications for the entire quadrant. He also doesn't expect to encounter Tobias Ryn, a striking Trill who immediately leaves Bransen wondering whether to trust his head or his heart in a situation that forces him to question everything he thinks he knows.