The Vampire and the Case of the Malevolent Mermaid by Heather G. Harris

Portlock’s secrets are about to explode.

After everything that went down in Chrome Mine, I’m starting to fear that I may never see my Sidnee again because the Sidnee I’ve been left with – well, she’s downright scary.
Just as we try to catch our breath, calamity strikes again: the mayor’s son-in-law is murdered. Suspicion is being thrown around like confetti, and those in the frame include the mayor himself and the usually mild-mannered Sidnee.

To make matters worse, a couple of teenage girls have vanished – no clues, no witnesses and no explanation. And it appears they might not be the first to be snatched.
As if I needed one more thing to juggle, Connor’s father, the Vampire King of America, sends a team to interfere in our investigation. One of the girls is a rare, born vampire and the king has given us an ultimatum: find her … or he’ll come knocking. I am absolutely not ready to meet the in-laws, especially not the terrifying, homicidal sort who sees hybrids like me as something to exterminate.

Connor is falling apart, the case is slipping through my fingers, and our happily-ever-after is looking further away than ever…

Dive into this fast-paced urban fantasy series if you love mystery, humour, found family, and a slow-burn romance.