"In her fourth adventure, everything finally seems to be perfect in Emily Windsnap's life. Her family is together again, and she's free to spend time with her friends. But when the mer-town of Shiprock is threatened by construction, Emily and her family are charged by Neptune to bring humans and merpeople together. Before Emily knows it, she's back in Brightport, carrying out Neptune's orders, searching for missing sirens with Shona, sorting out her...

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.

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.

Continues the undersea adventures of the intrepid young half-mermaid, who plunges into a scheme to reunite with her father.

"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"--

Vowing to get her sister Gemma back from the siren sisters no matter what the cost, Harper must face dangers unlike any she's ever experienced. Fortunately, she has Daniel by her side, a gorgeous guy who's devoted to helping her find her sister--and who's immune to the girls' dark powers.

In a society determined to keep her under lock and key, Tavia must hide her siren powers. Meanwhile, Effie is fighting her own family struggles, pitted against literal demons from her past. Together, these best friends must navigate through the perils of high school's junior year. But, everything changes in the aftermath of a siren murder trial that rocks the nation, and Tavia accidentally lets out her magical voice at the worst possible moment. Soon,...

Eleven-year-old Marcus is spending a week at the beach with his mother in a tiny old travel trailer, but boredom turns to terror when a new friend discovers a cellar that has magical doors through which people keep disappearing.

"An ancient curse robbed Gemma Fisher of everything that matters most―her friends, her family and the guy she loves. But now that she found the scroll that binds the curse, she finally has a chance to get her old life back. She just needs to destroy the scroll―but it's not as easy as she hoped. Protected by ancient magic, it seems utterly indestructible. Making matters worse, Penn has grown even more obsessed with stealing Daniel for her own…and...

1994. Donna has convinced the Doctor to take her to Dublin, to visit the nightclub Tripod. Because Tripod is where five young women came together to make the biggest ban of the 90s: the Blood Honeys. That is, until a family of siren-like creatures decide to use the girls' fame to hypnotise the world. With the Earth to save, Donna may yet get her chance to perform on the world's biggest stage.