In the early twentieth century in Swampsea, seventeen-year-old Briony, who can see the spirits that haunt the marshes around their town, feels responsible for her twin sister's horrible injury until a young man enters their lives and exposes secrets that even Briony does not know about.

Four high school students face off against a soul-stealing beast that has been making young people disappear in their small Ontario, Canada, town for centuries.

As a mermaid versus human war looms on the horizon, Luce falls in love with her sworn enemy Dorian and assumes her rightful role as queen of the mermaids.

A young girl from a dysfunctional family creates for herself an alternative world which nearly results in her death but which ultimately leads her to reality.

When prep school newcomer Emma Conner meets the rich, charming Brendan Salinger, she is instantly attracted to him, but strange visions of her past lives begin warning her to stay away or face a cursed prophecy that she will die.

For her own protection, sixteen-year-old Dru is taken to a secret training facility that feels more like a prison, but she faces great danger there and learns that a traitor who was involved in her mother's death now wants Dru dead.

Assaulted and left on the cliffs outside of her grim Alaskan fishing village by her abusive, alcoholic uncle, fourteen-year-old Luce expects to die when she tumbles into the icy waters below, but when she instead transforms into a mermaid she is faced with struggles and choices she could never have imagined.

Celia, who shares mental powers with her triplet sisters, finds competition for a handsome boy with Lo, a sea monster who must persuade a mortal to love her and steal his soul to earn back her humanity.

Told in their separate voices, two teenagers wake up in bed together with total amnesia and must work together to try to recover their memories about themselves and the eerie Colorado town in which they find themselves.

As the time for her werewolf transformation draws near and a deadly threat to the Dark Guardians escalates, Lindsey finds herself increasingly captivated by Rafe despite her long-standing commitment to Connor.