To Seduce a Siren (Blades of Betrayal #1; Dangerous Tides)

Astrid is a lowly tavern wench on an island ruled by pirates. If anyone discovers what she really is, she’ll be executed. Her world is turned upside down when her father bargains her to pay a debt, and she's forced to marry Talon the Destroyer, a ruthless pirate captain known for his brutality.

Talon Thorvald is an exiled prince of Daneland, a berserker who’s near invincible in a fight. But he’s powerless to fight what he feels for his treacherous wife. She ran from him seven years ago, and now she’s a feared pirate captain in her own right.

Now he's hunting his wife...