Uncovering an ancient evil, Serafina, a mermaid of the Mediterranean Sea, searches for five other mermaid heroines who are scattered across the six seas, to save their hidden world.

Seventeen-year-old Luce, who is suspected of killing her boyfriend, is sent to a Savannah, Georgia, reform school where she meets two intriguing boys and learns the truth about the strange shadows that have always haunted her.

Suddenly able to see demons and the Shadowhunters who are dedicated to returning them to their own dimension, fifteen-year-old Clary Fray is drawn into this bizzare world when her mother disappears and Clary herself is almost killed by a monster.

Tom is reunited with his mother and must return to Greece to face a new and terrible threat from the dark forces, and a momentous decision must be made, causing a serious rift between Tom and the Spook that threatens to separate them forever.

Returning from Greece, Tom and the Spook find that their home, including the Spook's precious library of knowledge, has been burned to the ground, and that their battle against the denizens of the dark must continue.

In a small South Carolina town, where it seems little has changed since the Civil War, sixteen-year-old Ethan is powerfully drawn to Lena, a new classmate with whom he shares a psychic connection and whose family hides a dark secret that may be revealed on her sixteenth birthday.

"Every October Cara and her family become mysteriously and dangerously accident-prone, but this year, the year Cara, her ex-stepbrother, and her best friend are 17, is when Cara will begin to unravel the accident season's dark origins"--

When shy sixteen-year-old Helen Hamilton starts having vivid dreams about three ancient, hideous women and suddenly tries to kill a new student at her Nantucket high school, she discovers that she is playing out some version of an old tale involving Helen of Troy, the Three Furies, and a mythic battle.

In 1899, when an evil threatens all the humans and animals of the Blue Ridge Mountains, twelve-year-old Serafina, rat catcher for the Biltmore estate and the daughter of a shapeshifting mountain lion, must search deep inside herself and embrace the destiny that awaits her.

Apprentice Tom and the Spook for whom he works flee to Ireland, where a powerful witch has joined forces with the dark mages trying to call forth ancient powers to destroy Tom.