In the Waves of Tristwick by Deborah M. Hathaway

What is a fisherman to do when he catches a mermaid in his net? Let her go—or fall in love?

A Regency Romance Cornwall, 1815
As a well-respected fisherman in the Cornish seas, Trevik Honeysett provides a living for many poor families in the southwest of Cornwall. Despite the most powerful fishing companies attempting to cut off his own ability to fish, Trevik refuses to give up. However, when he discovers a mysterious, injured woman entangled in his net, things become much more complicated—especially when suspicions arise that she is, in fact, a mermaid. Knowing he might very well lose his workers to their superstitious beliefs, Trevik decides to uncover just who the woman is. The only problem is…she can’t remember.

In truth, Morvoren Hollow knows exactly who she is. She merely needs to keep her identity a secret long enough to accomplish what she’d set off to do. Fortunately, pretending to be a mermaid will keep Society away long enough to do just that. Her lie becomes harder to manage, however, as her injury takes longer to heal—and as the nosy but handsome fisherman reels closer to the truth.

The two clash head-to-head as Trevik refuses to believe Morvoren is actually a siren from the sea. But such a thing would be easier to imagine than what he finally discovers about her past. Fearful of what might happen next, Morvoren must decide her next step. She can either learn to trust again—or end up truly alone.