Forced to work as a Siren and lure strangers to their deaths after being rescued from drowning by the Ocean, Kahlen falls in love with a human and defies the rules of her service in order to follow her heart.

Princess Lira is siren royalty and the most lethal of them all. Hearts are power, and with the hearts of seventeen princes in her collection, she is revered across the sea. When a twist of fate forces her to kill one of her own, the Sea Queen transforms Lira a human as punishment. Robbed of her song, Lira has until the winter solstice to deliver Prince Elian's heart to the Sea Queen or remain a human forever. Hunting sirens is Prince Elian's calling....

"In the alien catacombs of Rainshadow, there are creatures whose compelling songs lure the unwary to their death. That's why Rafe Coppersmith, hired to clear out the catacombs for exploration, needs a music talent. He knows the perfect one, but she probably doesn't want anything do with him. Ella Morgan had once fallen hard and fast for Rafe, but then he disappeared for months and he's not about to tell her why. Ella, too, has secrets that only her...

"Lolly Salt's three sisters are sirens--young women who lure ships to their doom--and as Lolly's 13th birthday approaches she's about to become one too. But when it becomes clear that someone in town knows the Salt girls secret, Lolly sets out to learn how this happened to her family and if she can prevent it"--