Emilia and her twin sister Vittoria are streghe - witches who live secretly among humans, avoiding notice and persecution. One night, Vittoria misses dinner service at the family's renowned Sicilian restaurant. Emilia soon finds the body of her beloved twin ... desecrated beyond belief. Devastated, Emilia sets out to find her sister's killer and to seek vengeance at any cost - even if it means using dark magic that's been long forbidden.

A serial killer named the Teacher wants to teach New York's social elites a lesson in manners and begins to terrorize the city. Detective Mike Bennett is assigned to stop him. Usually Mike would have no problem with an assignment, but with ten children at home with the flu, catching this killer is going to be a bit more difficult.

"Bizarre murders are discovered in the castle of Prince Vlad the Impaler, otherwise known as Dracula. Could it be a copycat killer...or has the depraved prince been brought back to life?"--

In 1889, the ship Etruria departs Liverpool, England, for New York carrying Audrey Rose Wadsworth and her crime-solving partner, Thomas, a famous escape artist, and a cold-blooded killer.-- 1889. Audrey Rose Wadsworth and Thomas Cresswell, are en route to New York on the opulent RMS Etruria. When young women begin to go missing, a series of brutal slayings shocks the entire ship. As Audrey Rose and Thomas begin to piece together the gruesome investigation,...

Newly arrived in 1892 New England, Abigail Rook becomes assistant to R.F. Jackaby, an investigator of the unexplained with the ability to see supernatural beings, and she helps him delve into a case of serial murder which, Jackaby is convinced, is due to a nonhuman creature.

"A math-whiz from a trailer park discovers she's the only student capable of unravelling complex clues left by a serial killer who's systematically getting rid of her classmates"--

Jazz Dent, who has been shot and left to die in New York City, his girlfriend, Connie, who is in the clutches of Jazz's serial killer father, Billy, and his best friend, Howie, who is bleeding to death on the floor of Jazz's own home in tiny Lobo's Nod, must all rise above the horrors their lives have become and find a way to come together in pursuit of Billy.

Followed everywhere by the ghost of her recently deceased best friend, Hannah investigates the serial murders of young girls in her community.

It's 1880, and in the frigid city of Stockholm, death lurks around every corner. Twelve-year-old Mika knows that everyone in her orphanage will struggle to survive this winter. But at least the notorious serial killer the Night Raven is finally off the streets...or is he?

Seventeen-year-old Nina Barrows's unsettling connection with a serial killer leads her on a potentially deadly manhunt.