When Neptune tells Emily and her merman father and human mother to return to Brightport to try to make merpeople and humans work more closely together, Emily faces problems with old enemies, her new, half-merfolk friend Aaron, and a mystery related to a group of legendary lost sirens.

Sent on a mission to retrieve an ancient hidden map, the key to a legendary treasure trove, pirate captain Alosa deliberately allows herself to be captured by her enemies. Now the only thing standing between her and the map: her captor, the unexpectedly clever and unfairly attractive first mate Riden. Her power to enchant with song makes her a formidable foe-- Alosa is only half-human, the daughter of a pirate king and a siren.

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 quiet seaside town of Capri, sixteen-year-old Gemma enjoys a close bond with her sister Harper and a growing attraction to next-door neighbor with Alex, but everything changes when, after partying with newcomers Penn, Lexi, and Thea, Gemma discovers she has powers that will force a terrible choice.

Some loves are cursed. Others are dangerous. Especially the love between wannabe rocker and quarter Incubus, Wesley 'Link' Lincoln, and Dark Caster, Siren, and bona fide bad girl, Ridley Duchannes. But now Ridley is missing, and Link was with her, right up until she vanished. Determined to find her, Link reunites with his New York bandmates and the mysterious Lennox Gates, who wants Rid for himself.

"When seventeen-year-old friends Liv and Will are accepted in a semester-at-sea program, they are excited to spend six weeks aboard the luxury cruise ship The Eos, but after Will disappears the first night, Liv grows suspicious that something sinister is lurking below deck."--

Gemma must battle Penn to break the siren curse and secure a future with Alex.

"Deep in the wood lives a witch queen and her eight tree siren daughters. For centuries, they have harvested souls to feed the heartless tree, using its power to grow their ever reaching kingdom of ash, birch, and oak. Owen Merrick lives at the edge of the forest, mapping the stars for the king in his father's observatory. For years, he has resisted venturing over the garden wall, until one day he must enter the woods to find his missing sister. But...

"My hair slips down my back and shoulders and around my face like fresh snow falling on the forest floor. Pure white. I raise my chin as the buyers stare. Yes. Look. You don't want me. Because, eventually, accidentally, I will destroy you. It's what I do; Seventeen-year-old slave girl, Nym, should not exist. In a world where Elementals are only born male, and always killed at birth, she is an anomaly at best. At worst, people around her die. When...

Moira Alexander has always been fascinated by the deadly sirens who lurk along the shores of her island town. Their haunting songs can lure anyone to a swift and watery grave, but she gets as close to them as she can, playing her violin on the edge of the enchanted sea. When a young boy is found dead on the beach, the islanders assume that he is one of the sirens' victims. Certain that someone has framed the boy's death as a siren attack, Moira convinces...